Answer:
"After crude oil is removed from the ground, it is sent to a refinery where different parts of the crude oil are separated into useable petroleum products. These petroleum products include gasoline, distillates such as diesel fuel and heating oil, jet fuel, petrochemical feedstocks, waxes, lubricating oils, and asphalt.
A U.S 42-gallon barrel of crude oil yields about 45 gallons of petroleum products in U.S. refineries because of refinery processing gain. This increase in volume is similar to what happens to popcorn when it is popped."
"What are petroleum products, and what is petroleum used for?
Petroleum products include transportation fuels, fuel oils for heating and electricity generation, asphalt and road oil, and feedstocks for making the chemicals, plastics, and synthetic materials that are in nearly everything we use. Of the approximately 7.21 billion barrels of total U.S. petroleum consumption in 2016, 47% was motor gasoline (includes ethanol), 20% was distillate fuel (heating oil and diesel fuel), and 8% was jet fuel."
Solvents Diesel fuel Motor Oil Bearing Grease
Ink Floor Wax Ballpoint Pens Football Cleats
Upholstery Sweaters Boats Insecticides
Bicycle Tires Sports Car Bodies Nail Polish Fishing lures
Dresses Tires Golf Bags Perfumes
Cassettes Dishwasher parts Tool Boxes Shoe Polish
Motorcycle Helmet Caulking Petroleum Jelly Transparent Tape
CD Player Faucet Washers Antiseptics Clothesline
Curtains Food Preservatives Basketballs Soap
Vitamin Capsules Antihistamines
Sodium metal reacts with aqueous magnesium sulfate to form sodium sulfate solution and
magnesium metal
Answer:
Na(s) + MgSO4(aq) -> Na2SO4(aq) + Mg(s)
Explanation:
Sodium metal reacts easily with magnesium sulfate to form sodium sulfate solution and magnesium metal as per the equation written below:
[tex]\rm 2Na + MgSO_{4} \rightarrow Na_{2}SO_{4} + Mg[/tex].
What is magnesium sulphate?Magnesium sulphate is an inorganic salt formed by magnesium metal and other sulphate compounds. The valency of both magnesium and sulphate group is 2.
Magnesium metal donates two electrons to the sulphate group and forms compound MgSO₄. When magnesium sulphate reacts with sodium metal the sulphate group is replaced into the sodium metal thus it is an example of displacement reaction.
The valency of sodium is one and hence two moles of sodium metal reacts with one mole of magnesium sulphate and the balanced reaction is written as follows:
[tex]\rm 2Na + MgSO_{4} \rightarrow Na_{2}SO_{4} + Mg[/tex].
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What did John Dalton theorize?
Answer:
Dalton theorized that the law of conservation of mass and the law of definite proportions could be explained using the idea of atoms. He proposed that all matter is made of tiny indivisible particles called atoms, which he imagined as "solid, massy, hard, impenetrable, movable particles.
Explanation:
Question 12 (4 points)
If there were 40 grams of sodium that reacted with 60 grams of chlorine, how
many grams of sodium chloride formed?
A. 40 grams
B. 60 grams
C. 20 grams
D. 100 grams
Answer:
100grams
Explanation:
law of conservation of mass
if the chemical or whatever, quantity is given then it stay the same in the beginning and the end. Just add them in the end and if something is missing that means you have done something wrong i am just telling for experiment
Based on the oxidation states of the atoms in this reaction, answer the questions. 4Fe(0) 3O2(0) → 2Fe2(3 )O3(2-) How many electrons does the iron half-reaction lose? How many electrons does the oxygen half-reaction gain? What is the total number of electrons that are moved in this oxidation-reduction reaction?
Answer:
12, 12, 12, edge 2022!
Explanation:
Answer:
How many electrons does the iron half-reaction lose? 12
How many electrons does the oxygen half-reaction gain? 12
What is the total number of electrons that are moved in this oxidation-reduction reaction? 12
What other aspects of a catalyzed reaction are different from the uncatalyzed reaction?.
Answer:
less activation energy
00000044m
300000km/s
Both in scientific notation
Answer:
4.4 × 10^-7
3 × 10^5
Explanation:
scmack me wit dat brainliest
PLEASE HELP ME I NEED YALL!! I WILL MARK U BRAINLIEST PLEASE!!
Balanced equation: C₂H₄ + 3O₂ → 2CO₂ + 2H₂O
O₂ required: 3/1 x moles C₂H₄ = 3/1 x 6.51 = 19.53 moles
A 0.100 moles of solid carbon dioxide is allowed to sublime in a balloon. The final volume of the balloon is 1.00 L at 300. K. What is the pressure, in atm, of the gas?
The pressure of the carbon dioxide that is allowed to sublime in atm, is 2.463 atm
Data obtained from the question Number of mole (n) = 0.1 mole Volume (V) = 1 L Temperature (T) = 300 KGas constant (R) = 0.0821 atm.L/Kmol Pressure (P) =? How to determine the pressureThe pressure of the gas can be obtained by using the ideal gas equation as illustrated below:
PV = nRT
P × 1 = 0.1 × 0.0821 × 300
P = 2.463 atm
Thus, the pressure of the gas is 2.463 atm
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Explain the three processes of nuclear change and what is produced during as a result of that change PLS HELP
Answer:
I don't know how to do right now
Dental crown: Uranium-234 is used to make dental crowns appear brighter. The alpha decay of uranium-234 produces what isotope?
Answer:
Lithium has two naturally occurring isotopes. Lithium-6 has an atomic mass of 6.015 amu. Lithium-7 has an atomic mass of 7.016 amu. The average atomic mass of lithium is 6.941 amu.
Explanation:
What is the difference between a solvent molecule and a non polar solvent?
Answer:
Polar molecules occur when there is an electronegativity difference between the bonded atoms. Nonpolar molecules occur when electrons are shared equal between atoms of a diatomic molecule or when polar bonds in a larger molecule cancel each other out. Polar solvents have large dipole moments (aka “partial charges”); they contain bonds between atoms with very different electronegativities, such as oxygen and hydrogen. Non polar solvents contain bonds between atoms with similar electronegativities, such as carbon and hydrogen (think hydrocarbons, such as gasoline).
Hope this helps, please let me know If I'm wrong.
can use greenhouse gases or wasted heat or by-products as input for process to generate any form of energy (in simple way in small scale as a prototype)
1. Would a small atom (less than 40 protons) be found in nature if it has the same number of protons and neutrons (1:1 ratio)? Explain.
2. Would a large atom (more than 40 protons) be found in nature if it had the same number of protons and neutrons? Explain.
Answer:
1.Yes, it would be found in nature, 1:1 ratio of proton=neutron.
2.No, since it is more likely for atoms with an atomic number greater than 50 to have a 1.5:1 ratio.
Explanation:
hope this helps
1. Yes, it would be found in nature, 1:1 ratio of proton=neutron.
2. No, since it is more likely for atoms with an atomic number greater than 50 to have a 1.5:1 ratio.
Would a large atom (more than 60 protons) be found in nature if it has the same number of protons and neutrons?No, since it is more likely for atoms with an atomic number greater than 50 to have a 1.5:1 ratio.
Why is the neutron to proton ratio so important?The ratio of neutrons to protons (n/p) is a successful way of predicting nuclear stability. This ratio is close to 1 for atoms of elements with low atomic numbers (of less than about 20 protons). The n/p ratio steadily increases as the atomic number increases past element 20 (calcium) to about element 84 (polonium).
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how can we use models to classify states of matter and the changes it undergoes
Answer:
Matter can exist in one of three main states: solid, liquid, or gas.
Solid matter is composed of tightly packed particles.
Liquid matter is made of more loosely packed particles.
Gaseous matter is composed of particles packed so loosely that it has neither a defined shape nor a defined volume.
Explanation:
What is the difference between heterochromatin and euchromatin.
Answer:
The main difference between the two is euchromatin is genetically active while heterochromatin is genetically inactive
Answer:
Heterochromatin is the part of the chromosome without DNA coding genes and Euchromatin is the part of the chromosome with coding genes.
Explanation:
Euchormatin is the part of the chromosome which is rich with gene concentration and participates in the transition process. Heterochromatin is th area with a darkly stained DNA specific strand and is a condensed state.
The symbol of the element with an atomic mass of 207. 2.
Answer:
Polonium-207
………………………
Please brainliest me i am begging you
I will give BRAINLIEST. 1. A spiderweb and a Kevlar jacket have some obvious differences. Which property is similar between the web and the jacket?
- surface area
- thickness, expressed as a number of atoms
- overall strength
- arrangement of atoms in molecules
2. Assuming silk from spiderwebs could be made just as strong as Kevlar, why would a company still choose to use Kevlar in producing bulletproof fabrics?
- A much larger amount of silk might be needed to produce the same effect.
- Spiderweb silk would likely be rejected by the body.
- The cost might be higher for producing spiderweb silk.
- Spiderweb silk likely involves more chemicals.
3. Which microscopic detail affects the strength of different forms of silk?
- Different silk strands are made with different types of atoms.
- Different types of silk are in long strands or in other very different arrangements.
- Different silk strands have different combinations of amino acids.
- Different types of silk do not have the same strength if they come from different sources.
4. Which type silk is the strongest?
- nonbiodegradable
- minor ampullate
- major ampullate
- biodegradable
5. Which natural source has been bioengineered to make silk proteins?
- mulberry leaves
- goat milk
- goat hair
- mulberry bark
Answer:
.arrangement of atoms in molecules.A much larger amount of silk might be needed to produce the same effect.- Different silk strands have different combinations of amino acids. .major ampullate.goat milkWhat is the molarity of 0. 0688 g CoF2 in 20. 0 mL of solution?
Answer: 0.035 M
Explanation:
Balance the equation:
GC2MmCh2
—
the 2 is a subscript (small)
Answer:
2 Gc + 1 Mm + 3 Ch → 1 Gc2MmCh3
Note:
is this the s'more reaction?
-If not might there be a typo?
- if so, might it be one of these?
2 Gc + M + 2C → Gc2MC22 Gc + Mm + 3C → Gc2MmC3What is the percent composition of barium in barium chloride?
Answer:
The percent composition of barium in barium chloride is 65.9%
Explanation:
percent composition = molar weight of barium/molar weight of barium chloride x 100
from periodic table the molar weight of barium = 137.3
and the molar weight of BaCl2 = 137.3 +( 35.5 x 2)=208.3
% composition is therefore = 137.3/208.3 x 100=65.9%
Which statement correctly describes what happens to Li and Cl atoms when they bond? a . Li loses 1 valence electron and becomes a negative ion, Cl gains 1 valence electron and becomes a positive ion . b. loses 1 valence electron and becomes a positive ion, gains 1 valence electron and becomes a negative ion. . Li gains 1 valence electron and becomes a negative ion, loses 1 valence electron and becomes a positive ion. d . Li gains 1 valence electron and becomes a positive ion, loses 1 valence electron and becomes a negative ion.
Taking into account the definition of ionic bond, Li loses 1 valence electron and becomes a positive ion and Cl gains 1 valence electron and becomes a negative ion.
Definition of ionic bondAn ionic bond is a type of chemical bond that occurs when one atom gives up an electron to the other, in order for both to achieve electronic stability.
This union normally occurs between metal and nonmetal elements with different electronegativity, which means that the elements have different capacity to attract electrons.
In other words, an ionic bond is produced between metallic and non-metallic atoms, where electrons are completely transferred from one atom to another. During this process, one atom loses electrons and another one gains them, forming ions. Usually, the metal gives up its electrons forming a cation to the nonmetal element, which forms an anion.
Bond between Li and ClLi is a metal, while Cl is a nonmetal. Considering the definition of ionic bond, the Li gives up its electrons forming a cation to the Cl, which forms an anion.
In summary, Li loses 1 valence electron and becomes a positive ion and Cl gains 1 valence electron and becomes a negative ion.
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Gold is one of the first metals extracted from the earth. Explain why
Which of the following statements about recycling electronic waste is true?
Exporting electronic waste is part of a safe recycling process.
Electronic waste is recycled using the same process as plastic and metal.
Over 60 percent of electronics waste worldwide is recycled safely.
Minerals can be extracted from recycled electronics.
Answer:
minerals can be extracted from recycled electronics
Explanation:
The which is true about electronic waste is minerals can be extracted from recycled electronics.
What is electronic waste?The waste which are the residue of the electrical devices which we used in our daily life is known as electronic waste.
In the electrical devices many metals and non metals are present and when we recycle this electrical waste then again we get that useful materials from the waste in the form of minerals, because all that metals, non metals or any other element will get in combined form.
Hence, option (d) is correct.
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When 0.25 g of the organic compound naphthalene are burned in a bomb calorimeter, the temperature of the water in the
calorimeter increases from 24.00°C to 26.43 °C. The calorimeter's heat capacity is 4.13 kJ/°C. How much heat (9rxn) in kilojoules is
released by the combustion of the naphthalene?
The heat released by the combustion of the naphthalene is mathematically given as
H=2.508975 KJ
What is heat released?
Question Parameters:
0.25 g of the organic compound naphthalene
The calorimeter increases from 24.00°C to 26.43 °C.
The calorimeter's heat capacity is 4.13 kJ/°C
Generally, the equation for the Heat released is mathematically given as
H = mCdT
Therefore
H= mC ( T2 - T1)
H= 0.25*4.13 ( 26.43- 24)
H= 2.508975 KJ
In conclusion, the heat released by the combustion of the naphthalene is
H=2.508975 KJ
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Which of the following is in the same group as strontium? a Calcium b Chlorine c Xenon d Silver
Answer:
a. Calcium
Explanation:
Strontium and Calcium are both in the same group, Group 2.
Answer:
Calcium and strontium are in the same group.
Group 2a of the perodic table are the alkaline earth metals
Is it possible to replace our dependency on fossil fuels with alternative renewable energy's?
Answer:
yes, coal for example produces energy by burning but there are several alternatives such as water or solar which are 2 growing energy sources.
Explanation:
hope this helps!
Is Fahrenheit used in England for the temperature at all?.
Answer:
No, i don't believe so, Fahrenheit is one of those thinks America did like ft. and inches.
Explanation:
What is the chemical equation of the boiling of water?.
Answer:
Boiling of pure water is not a chemical reaction.
It is a physical change from liquid state to gaseous state.
Explanation:
What substance would be soluble in water?
A - NH3 because it’s polar
B - BR2 because it’s non polar
C - H2 because it’s polar
D - CO2 because it’s non polar
Answer:
A
Explanation:
Since water is polar, we need for there to be a polar solute. This eliminates options B and D.
Now to choose between A and C, we can look at the compounds mentioned.
For A, NH3 is mentioned, which is a polar substance.
However, for C, H2 is mentioned, which is a nonpolar molecule, contrary to what is stated by the option.
Therefore, A is the answer.
In what circumstance will a flash of lightning travel through the sky and touch the ground?
