Answers
Answer:
a
Explanation:
Related Questions
Dead plant and animal matter iscalledA. detritus.B. fungus.C. chloroplast.
Answers
Detritus is what dead solid organic material is called, which includes the remains of dead organisms, as well as fecal matter.
This means A. detritus is the right answer.
Ten Discussion Questions1.Which number is beside the waxy covering of this flower? (image 1)2. Which number is beside the pistil of this flower? (image 1)3.What are the reproductive organs of a plant called?4. What are the reproductive organs of an animal called?5. What is an exoskeleton and explain its function?6. How are the support systems of plants and animals different?7. How is the function of a plant's waxy covering similar to the function of a cat's hair?8. How is the function of a plant's pistil and stamen different from the function of the ovariesand testes of an animal?9. Name one plant and one animal and explain a similarity between the function of theirorgans or physical structures.10. Name one plant and one animal and explain a difference between the function of theirorgans or physical structures.
Answers
Parts of the flower:
1. pistil
2. petal
3. leaf
4. receptacle or stem (location of number is not clear)
Answer to question 1 is receptacle or stem.
Answer to question 2 is petal
Answer to question 3
The reproductive organs of the plant are stamen, stigma, calyx, pistil, and colas.
Stamen is the male part of a flower. Stigma is responsible for collecting pollen grains. Calyx is a component of sepals and responsible for protecting the inner part of the flower while it is under development. Pistil is the female reproductive part of the flower. Cola is the bud. It is a cluster of buds. In general, the reproductive parts are the androecium (group of stamens) and gynoecium (carpels/pistils).
Which organism in the food web would be considered both a primary consumer and a secondary consumer?
Answers
PLEASE HELP ASAP!!! I WILL GIVE YOU BRAINLIEST IF YOU ANSWER CORRECTLY PLEASEE!!
what happens when RNA is edited?
Answers
Answer: One type, insertion/deletion RNA editing, involves the insertion or deletion of nucleotides and actually changes the length of the target RNA. The second type, RNA editing by base modification, changes an encoded nucleotide into a different nucleotide, without changing the overall length of the RNA.
Explanation:
Answer:
Deamination produces an adenosine-to-inosine substitution, one of the most common substitutions in RNA editing.
the lysis buffer used in this lab exercise is a generic bacterial lysis buffer. that means it does a decent job lysing common bacteria, such as gram positive and gram negative bacteria. lysozyme is included in this buffer to degrade peptidoglycan. thick layers of petidoglycan prevent the other components of the lysis buffer from being able to access and destabilize the cell membrane and, therefore, reduce lysis efficiency. if the lysozyme were to have been left out of the buffer when it was prepared, how would that influence the extractions that you performed?
Answers
(D) "There would be a minimal reduction in efficiency since both isolates were Gram negative." is how would that influence the extractions that you performed.
For the purpose of dissecting cells for use in molecular biology investigations that examine the labile macromolecules of the cells, lysis buffers are buffer solutions (e.g. western blot for protein, or for DNA extraction). To control the pH and osmolarity of the lysate, most lysis buffers include buffering salts like Tris-HCl and ionic salts like NaCl.
In healthcare settings, gram-negative bacteria can cause diseases such pneumonia, bloodstream infections, wound or surgical site infections, and meningitis. Gram-negative bacteria are becoming more and more resistant to the majority of existing antibiotics, as well as to a number of other medications.
Since both isolates were Gram negative, there would be a little drop in efficiency.
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Question correction:
The lysis buffer used in this lab exercise is a generic bacterial lysis buffer. That means it does a decent job lysing common bacteria, such as Gram positive and Gram negative bacteria. Lysozyme is included in this buffer to degrade peptidoglycan. Thick layers of petidoglycan prevent the other components of the lysis buffer from being able to access and destabilize the cell membrane and, therefore, reduce lysis efficiency. If the lysozyme were to have been left out of the buffer when it was prepared, how would that influence the extractions that you performed?
A. There would be a marked reduction in efficiency since both isolated were Gram positive. Incorrect The extraction would fail as lysozyme is absolutely required.
B. Salmonella isoaltes would have minimally reduced efficiency while non-Salmonella isolates would have markedly reduced efficiency.
C. Salmonella isoaltes would have markedly reduced efficiency while non-Salmonella isolates would have minimally reduced efficiency.
D. There would be a minimal reduction in efficiency since both isolates were Gram negative.
The nucleus of a cell contains chromosomes made of ____ molecules. Each chromosome carries a large number of genes. In body cells, the chromosomes are normally found in p____
Answers
Answer:
En biología, el núcleo celular es una estructura membranosa que se encuentra normalmente en el centro de las células eucariotas. Contiene la mayor parte del material genético celular, organizado en varias moléculas extraordinariamente largas y lineales de ADN, con una gran variedad de proteínas,
Explanation:
Chromosomes composed of DNA molecules are found in a cell's nucleus. Adenine, thymine, guanine, and cytosine are the four nucleotides that make up the double-stranded molecule of DNA.
What is the location of genes ?Genes, the fundamental building blocks of genetic information, are found in great abundance on each chromosome. The inheritance of features and attributes is controlled by genes, which are composed of DNA.
The chromosomes are often found in pairs in body cells. One chromosome from the mother and one from the father make up each pair of chromosomes.
Homologous chromosomes refer to this. There are different numbers of chromosomes in each species' cells. For instance, although fruit flies have 8 pairs of chromosomes, humans normally have 23 pairs. Chromosome pairing is crucial to the process.
The process of meiosis, the form of cell division that results in gametes, depends on the pairing of chromosomes. Crossing over occurs when homologous chromosomes team up and exchange genetic material during meiosis.
Genetic diversity, a necessary component of evolution, is produced as a result of this process. Additionally, it guarantees that every gamete receives a full complement of chromosomes.
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50 kg pitcher throws a baseball with a mass of 0.15 kg. If the ball is thrown with a positive velocity of 35 m/s and there is no net force on the system, what is the velocity of the pitcher?
−0.1 m/s
−0.2 m/s
−0.7 m/s
−1.4 m/s
Answers
The velocity of the pitcher is 0.105 m/s in a direction opposite to the velocity of the ball.
Velocity is defined as the direction of the movement of the body or the object in motion. Speed is generally a scalar quantity. Velocity (v) is a vector quantity that measures displacement over the change in time (Δt), represented by the equation v = Δs/Δt.
Momentum can be known as the power when a body is moving, meaning how much force it can have on another body. Momentum is all about the motion of an object. If an object moves with a double velocity, its momentum doubles.
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Some poisonous plants harm people and animals because they produce compounds that are structurally similar to amino acids. Possible reasons why these compounds are toxic include that they _______________ select all correct phrases.
Answers
Possible reasons why they produce compounds that are structurally similar to amino acids are toxic include that they
chаnge the finаl folded shаpe of the proteinimpаir the function of proteinsаre recognized by аmino аcyl tRNА synthetаses, аnd аre linked to а tRNА moleculeWhat is the function of protein for some poisonous plants?Plаnts hаve evolved to synthesize а vаriety of noxious compounds to cope with unfаvorаble circumstаnces, аmong which а lаrge group of toxic proteins thаt plаy а criticаl role in plаnt defence аgаinst predаtors аnd microbes. Up to now, а wide rаnge of hаrmful proteins hаve been discovered in different plаnts, including lectins, ribosome-inаctivаting proteins, proteаse inhibitors, ureаses, аrcelins, аntimicrobiаl peptides аnd pore-forming toxins.
The function of а protein is dependent upon the shаpe into which the chаin of аmino аcids folds. Mаny noncovаlent interаctions аre is responsible for mаintаining the protein's shаpe. When we hаve isolаted а protein from аn orgаnism in its proper shаpe, аnd we hаve treаted it with аn enzyme thаt selectively tаrgets аnd breаks only the peptide bonds in the proteins. The protein would not retаin its shаpe under these conditions. While the noncovаlent bonds determine the shаpe of а protein, the peptide bonds аre required to hold the аmino аcids together.
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Cilia and flagella move...
A) In opposite directions of the cell membrane
B) When the bending of microtubules is powered by ATP
C) In the same direction of the cell membrane
D) When the contractions of the basal body triplets are powered by ATP
E)When the central pair of microtubules produce ATP
Answers
Answer:
A in opposite direction of the membrane
A nutrition facts label lists total fat as 10 grams and saturated fat as 4 grams. How many calories does fat provide?.
Answers
90 calories is the amount of calories does the fat consisting of total fat as 10 grams and saturated fat as 4 grams.
One of the six nutrients your body requires to be healthy is fat. Calories are produced by proteins, lipids, and carbohydrates. Protein and carbohydrates both contain 4 calories per gram. There are 9 calories in 1 gram of fat.
Similar to a teaspoon or an inch, a calorie is a unit of measurement. Calories are the units of energy used by your body during food digestion and absorption. A meal might provide your body extra energy if it has more calories. Knowing that there are 9 calorie per 1 gram of fat:
Total calories = 10 grams of fat x (9 calories/1 gram of fat)
Total calories = 90 calories
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Explain how social and economic groups (the working class, middle class, and upper class) experienced city life and culture similarly and differently.
Answers
The working class, middle class, and upper-class experience city life and culture similarly in that they all are subject to the noise, hustle, and ever-hectic life of the city.
The working class, middle class, and upper-class experience city life and culture differently because they have different purchasing power and time to spend on the luxuries city life has to offer.
What are the experiences and culture of city life?Living in the city, whether one belongs to the working class, middle class, or upper-class subjects one to the constant noise and pollution of city life.
The ever-busy culture of city life affects all in the city.
However, due to differences in their social and economic status, the upper class usually has more luxuries to enjoy in the city than either the middle class or working class. For example, attending concerts will be more for the upper class, with few opportunities for the middle class and almost none for the working class.
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Explain whether you think the most important advances of the 21st-century will be new sources of energy or a more efficient use of source they already exist
Answers
Throughout the opinion, new energies will become more important because they produce less pollution than currently used energy sources and because the careless use of non-renewable energy sources could result in a future energy shortage.
Non-renewable Energy- Energy content of non-renewable materials is high. Compared to renewable energy sources like solar or wind, resources like coal and oil generally give us more energy. Coal mining, oil sales, and the building of pipelines for natural gas can all result in enormous riches.
The time-consuming nature of non-renewable fuel is one of its main drawbacks. It takes a long time to mine coal, look for oil, install oil drills, construct oil rigs, insert pipes to extract natural gas, and transport it. It also demands a great deal of work.
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during mendel's first set of experiments, all the plants F1 offspring expressed the same version of the studied trait. Which of the following best describes these experiments
Answers
During Mendel's first set of experiments, all the plant's F1 offspring expressed the same version of the studied trait because Mendel crossed true-breeding plants with different versions of a studied trait (Option D).
What are true breeding plants?True breeding plants are plants that when they are crossed can produce all progeny with the same trait because they are homozygous. In this case, Mendel crossed true-breeding plants which were dominant homozygous or recessive homozygous, thereby obtaining all heterozygous offspring.
Therefore, with this data, we can see that true breeding plants are homozygous for a given trait, which may be dominant or recessive and therefore the cross of true breeding plants always produce plants with the same phenotype of one of the parental lines.
Complete question:
During Mendel's first set of experiments, all the plants F, offspring expressed the same version of the studied trait. Which of the following best describes these experiments? A. Mendel observed crosses that took place naturally in his gardens.
B. Mendel crossed plants that all expressed the same version of a studied trait.
C. Mendel allowed true-breeding plants to self-pollinate.
D. Mendel crossed true-breeding plants with different versions of a studied trait.
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trematol is a metabolic poison derived from the white snake root. cows eating this plant concentrate the poison in their milk. the poison inhibits liver enzymes that convert lactic acid to other compounds for metabolism. why does physical exertion increase symptoms of poisoning by trematol? why does the ph of the blood decrease in a person who has digested trematol?
Answers
Here are the answers to the questions respectively:
Physical exertion increase symptoms of poisoning by trematol because the generation of lactic acid through fermentation, and when liver enzymes are inhibited, the accumulation of lactic acid lowers blood pH.The pH of the blood decrease in a person who has digested trematol because exercise stimulates metabolism, and blood pH rises as a result of the electron transport chain pushing H+ out of the mitochondria.A metabolic poison called trematol is made from the white snake root. The toxin is concentrated in the milk of cows that consume this plant. The toxin prevents the liver's enzymes from metabolizing lactic acid into other chemicals.
Our cells make lactic acid through a process known as fermentation when there is not enough oxygen present. Particularly in our muscles, the pyruvate from glycolysis is converted to lactic acid to replenish NAD+ from NADH, allowing glycolysis to continue producing ATP. This explains why exercise makes the symptoms worse.
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Many people try to eliminate fat from their diets. Which is one reason it is
necessary for humans to eat fat?
Answers
Fats are carbohydrates, which give the body energy. They also protect the organs and keep the body warm :)
Which two statements explain why water is vital to sustaining a healthy
ecosystem?
A. Water molecules consist of atoms of hydrogen and oxygen.
B. All of Earth's heterotrophs depend on water as a source of energy
for life processes.
C. Autotrophs need water in order to make oxygen gas and sugars
from inorganic matter.
D. Water enables energy to move through all of Earth's systems.
Answers
Water is vital in sustaining a healthy ecosystem as the Autotrophs need water to make food from inorganic matter and water enables the transfer of energy through the earth's systems.
While water is broken down to produce oxygen during photosynthesis, oxygen and hydrogen are combined to produce water during cellular respiration. While photosynthesis utilizes carbon dioxide and releases oxygen, cellular respiration uses oxygen and creates carbon dioxide. The oxygen that is released is used by most organisms, including humans, for cellular respiration.
There are three ways that liquid water travels through land and through the earth: runoff, infiltration, and percolation (groundwater). Groundwater is absorbed by plants, and as it evaporates, it reaches the atmosphere (transpiration). Snow and ice that is solid can suddenly become gaseous (sublimation).
So, water is necessary in sustaining life on earth.
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how does photosynthesis transform solar energy into the chemical energy of sugar molecules? match the words in the left column to the appropriate blanks in the sentences on the right.
Answers
Photosynthesis will transform solar energy into organic matter thanks to a structure inside the cell called chloroplast.
How does photosynthesis transform solar energy into the chemical energy of sugar molecules?The light reactions occur in the thylakoids. Absorption of a photon boosts proton-motive force to a higher-energy state. The energy of light is used to pump an electron from water through photosystem II, an electron transport chain, and photosystem I to NADPH. During energy-releasing redox reactions in the electron transport chain, protons are pumped into the thylakoid space. ATP synthase uses this electrons to make ATP outside the thylakoid space.
The Calvin cycle occurs in the stroma.The three-carbon sugar G3P is produced and can be converted to sugars and other organic molecules, ultimately providing the chemical energy and carbon source for all of life.
Therefore, we can confirm that photosynthesis will transform solar energy into organic matter thanks to a structure inside the cell called chloroplast.
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PLSSS HELP IF YOU TURLY KNOW THISS
Answers
Answer: C. Pollen as seeds can only be made when pollen is transferred between plants of the SAME
in receptor-mediated endocytosis, the ligand-binding domain of the receptor molecules initially project to the outside of the cell. where do the ligand-binding domains end up after endocytosis?
Answers
The ligand-binding domains end up facing the inside surface of the vesicle after the endocytosis.
Bringing in macromolecules from the extracellular fluid is done through receptor-mediated endocytosis. This route allows for the internalization of over 20 distinct receptors. Others stay on the surface until a ligand is bound, while certain receptors are continually internalized.
What are ligand-binding domains?
A hydrophobic-binding pocket in the ligand-binding domain (LBD) draws the hormone there. The ligand is trapped inside the hydrophobic environment as a result of the binding of the ligand, which changes the conformation of the LBD.
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which of the following is false regarding chemolithotrophic microorganisms? choose one: a. light absorption provides them with electrons. b. they include methanogens. c. they use inorganic compounds as electron donors. d. electron donors for respiration include fe2 , h2s, and nh 4.
Answers
a)Light absorption provides them with electrons
Light absorption provides them with electrons is false regarding chemolithotrophic microorganisms
What qualities do ETS cofactors possess that help the ETS do its function?
They enable minor energy transfers when they are reduced and oxidized. Correct Feedback: Smaller energy transitions in an ETS are made possible by ETS cofactors, which maximizes the protons' ability to cross the membrane.
Glycolysis is a metabolic process that occurs during both fermentation and cellular respiration. Glycolysis is the first phase of respiration.
There exist phosphorylated sugars. A. Glucose is decreased when hydrogen atoms are added.
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if the experimental population of e. coli lacks an f factor or f plasmid, and if bacteriophages are excluded from the bacterial cultures, how would beneficial mutations be transmitted horizontally to other e. coli cells?
Answers
Beneficial mutations be transmitted horizontally to other e. coli cells by means of transformation.
What is transformation?Bacterial transformation is the transfer of free DNA released from a donor bacterium into the extracellular environment, usually leading to the assimilation and expression of newly acquired traits in the recipient bacterium.
Transformation of bacteria relies on the natural ability of the bacterium to release DNA, which is taken up by another competent bacterium. Successful transformation depends on the competence of the host cell. Competence is the ability of cells to incorporate bare DNA into the transformation process. Intrinsically transformable organisms spontaneously release DNA by late stationary phase autolysis. Some bacteria, including Escherichia coli, have been artificially treated in the laboratory to use chemicals such as calcium, to apply strong electric fields (electroporation), or to apply heat shocks to induce phenotypes. Electroporation or heat shock enhances potency by increasing cell wall permeability and allowing donor DNA entry.To know more about transformation visit:
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The element carbon has three natural isotopes: C-12, C-13, and C-14.
Use the periodic table to find the number of protons in a carbon atom.
Then make a drawing to show the nuclei of the three carbon isotopes.
Your drawing should convey the number of protons and neutrons in each of the three different nuclei.
Answers
Answer: See Below
Explanation:
1. There are 6 protons in a carbon atom (The # of protons is the same as the atomic number).
2. Attached below. Red circles are protons blue are neutrons.
Understand that the number following the C (12,13,14)
refers to the total number of protons and neutrons in the atom. Proton number does not change only neutrons can.
tattooinggroup of answer choicesis the coloring the skin by applying natural dyes to the epidermis.can only be removed by cutting away the tattooed skin.can be removed by repetitive washing with soap and water.inserts ink particles into the dermis.inserts ink particles into the subcutaneous region.
Answers
The coloring of the skin by applying natural dyes to the epidermis can only be removed by inserting ink particles into the subcutaneous region.
What are the three physiological variables that influence skin color?The volume of blood in dermal capillaries, carotene in the subcutaneous layer, and different diseases are three physiological elements that influence skin color. If the entire epidermis is keratinized, the visible skin would become extremely hard and inflexible.
How many layers of skin are there?The epidermis, dermis, and hypodermis are the three layers of skin.
What makes up the epidermal layer?The epidermis layer is the outermost layer of your skin (the visible layer), and it is made up of both living and dead skin cells. It is only slightly thicker than a sheet of paper. New skin cells push old skin cells to the surface as they die.
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Define and give an example of : a. Genotype: b. Homozygous c. Heterozygous d. Phenotype
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a) Genotype: The genetic composition of an organism is its genotype. The alleles or variations that an individual carries in a specific gene or genetic region are also referred to as the genotype.
Eg: RR,Rr,rr can be the genotype of the color of a flower.
b) Homozygous: It is a gene region where there are two identical alleles present. Two alleles with the same variation or two alleles that are normal can both be present in a homozygous genotype
Eg: BB is the homozygous gene for a dominant character like brown eyes in humans.
c) Heterozygous: It is a gene region where there are two distinct alleles present. One normal allele and one mutated allele, or two distinct mutated alleles, can make up a heterozygous genotype.
Eg: Bb is the heterozygous gene for brown eyes in humans.
d) Phenotype: It describes a person's observable characteristics. Both a person's genomic makeup (genotype) and environmental circumstances affect their phenotype.
Example: Color of human eyes like brown, blue, black
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Why does a plant need to store glucose...
Answers
Answer:
Because glucose is used by plants for energy and to make other substances like cellulose and starch. Cellulose is used in building cell walls. Starch is stored in seeds and other plant parts as a food source. That's why some foods that we eat, like rice and grains, are packed with starch.
Explanation:
Sugars facilitate the assimilation of nutrient elements and their transport by the plant since they reduce osmotic pressure, thus improving their entry into plant tissues. During vegetative development, transport takes place towards the stem and root tips.
Please help!!!!! I need an answer asap (before 5:00 pm at least)!
Answers
Answer:
C: Model A because the two strands of each parent molecule end up in seperate DNA molecules after each round of replication.
Explanation:
The semi-conservative model is shown in A because as the answer states, the two strands separate and are used to create new double stranded DNA separately.
How is the geologic time scale related to the fossil record?
answer: The periods of the time scale were constructed based on ranges of fossil organisms.
Answers
Geologic time scale related to the fossil record with the timing of the emergence and disappearance of widespread species from the being used to delineate the beginnings and endings of ages, epochs, periods, and other intervals.
Geologists commonly use radiometric dating methods, based on the natural radioactive decay of certain elements such as potassium and carbon, as reliable clocks to date ancient events.
The geological time scale is based on the the geological rock record, which includes erosion, mountain building and other geological events. Sediment has to cover an organism's remains in order for the long fossilization process to begin. Most organisms decompose before this can happen.
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What is an advantage to the longer duration of cardiac action potential compared to the skeletal muscle action potential?.
Answers
Tetanic contraction is avoided by the longer duration of cardiac action potential, allowing the heart chambers to relax and fill with blood before the next contraction.
Compared to skeletal muscle, the refractory period of cardiac muscle is significantly longer. This avoids tetanus and guarantees that there is adequate time between each contraction for the heart chamber to fill with blood before the next one. Accordingly, cardiac muscle is benefitted with the longer duration of its action potential.
Similar to skeletal muscle, the influx of sodium ions results in an initial depolarization; however, the depolarization in cardiac muscle is sustained for a longer period of time thanks to the influx of calcium ions.
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in biological anthropology, why is it useful to examine sexual dimorphism? group of answer choices it is the study of sexual intercourse between primates. it varies with the pattern of competition among males. it relates to sexual courtship rituals in primates. it determines male and female social hierarchy.
Answers
It determines male and female social hierarchy
What is anthropology ?
Anthropology is the study of what makes people human. Anthropologists investigate all the various dimensions of the human experience from a holistic perspective. To learn how and what mattered to human groups hundreds or thousands of years ago, they turn to the past through archaeology.
Anthropology is the study of what makes people human. Anthropologists investigate all the various dimensions of the human experience from a holistic perspective. To learn how and what mattered to human groups hundreds or thousands of years ago, they turn to the past through archaeology.
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PLEASE SOMEONE HELP EXPLAIN THIS IT’S DUE FIRST THING TMRW MORNING!!
Determine the empirical formula of a 28.00 gram sample containing 22.90 grams carbon and 5.10 grams hydrogen.
Answers
Explanation:
The compound is found to be composed of 75% carbon and 25% hydrogen.
100 g of the compound contains 75 g of carbon and 25 g of hydrogen.
The atomic masses of carbon and hydrogen are 12 g/mol and 1 g/mol respectively.
The number of moles of C =
12 g/mol
75 g
= 6.25 moles
The number of moles of H =
1 g/mol
25 g
= 25 moles
The mole ratio C:H=6.25:25=1:4
The empirical formula of the compound is CH
4
.
