The rate of reaction would change by a factor of 1 if [C] is tripled.
What is the rate law?We know that the rate law is a relationship that shows the connection that exists between the reactants and the products in a given reaction. Now we know that species that appear in the rate law are the species who actually participate in the reaction. If there is any specie that does not participate in the rate determining step of the reaction then it does not in any way appear in the rate determining step of the reaction.
We have the reaction equation as; A + 2B + C → Products
The we have the rate law for the reaction as; Rate = k[A]²[B]
We can see that C dos not appear in the rate law thus the formation of the product is independent of the concentration of C.
Thus, the rate of reaction would change by a factor of 1 if [C] is tripled.
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Describe the composition of humus and why it is an effective organic fertilizer.
Answer:
chemical fertilizers increase crop production; their overuse has hardened the soil, decreased fertility, strengthened pesticides, polluted air and water
What is the mass in grams of 10.76 mL of acetone?
When it has a density of .7857g/cm^3
it is often thought that two mutations must happen in a cell to create a cancerous cell. What two cell functions could mutate and lead to a cancerous cell?
Answer:
Tumor Suppressor genes,
and proto oncogenes.
Explanation:
can mutate and lead to a cancerous cell.
During science class the teacher mixed a soap solution with white liquid glue. While she was
mixing the substances, the cup began to get warm. After mixing them, the resulting substance
became thick, squishy, and stretchy. Juan says this is an example of a chemical change
Answer:
that is true
Explanation:
the chemical changed reaction
Sulfur dioxide and nitrogen dioxide react at 298 K via the reaction
SO2(g)+NO2(g)⇌SO3(g)+NO(g)
A system at equilibrium contains 0.369 mol SO2 , 0.369 mol NO2 , 0.654 mol SO3 , and 0.718 mol NO. O2 is added to the container and NO reacts completely with the O2. Calculate the amount of SO3 in the container after the system returns to equilibrium.
O₂ reacts increasing the NO₂ to 0.718 moles. At the return to equilibrium,
the amount SO₃ in the container approximately 0.931 moles.
How can the equilibrium values indicate the amount of SO₃?The equilibrium constant for the reaction aA + bB ⇌ cC + dD is presented as follows;
[tex]K_c = \mathbf{\dfrac{[C]^c_{eq} +[D]^d_{eq} }{[A]^a_{eq} +[B]^b_{eq} }}[/tex]
The equilibrium constant for the reaction, whereby the volume is same for the contents is therefore;
[tex]K = \dfrac{0.654 \times 0.718}{0.369 \times 0.369} \approx 3.45[/tex]
Given that the NO reacts with the O₂ as follows;
2NO + O₂ [tex]\longrightarrow[/tex] 2NO₂
We have;
The number of moles of NO₂ added = 0.718 moles
The new number of moles are therefore;
[tex]K = \mathbf{ \dfrac{(0.654 + x) \times (0+ x)}{(0.369-x) \times (0.369 + 0.718-x)}} \approx 3.45[/tex]Which gives;
0 = (0.654 + x) × x - 3.45 × (0.369 × (0.369 + 0.718)
2.45·x² - 5.6772·x + 1.384 = 0
[tex]x = \dfrac{5.6772 \pm \sqrt{(-5.6772)^2 - 4 \times 2.45 \times (1.3834)} }{2\times 2.45}[/tex]
x ≈ 0.2768 or x ≈ 2.04
The possible number of moles of SO₃ in the container after equilibrium is reestablished is therefore;
n ≈ 0.654 + 0.2768 ≈ 0.931
The number of moles of SO₃ in the container after returning to equilibrium is 0.931 molesLearn more about equilibrium constant here:
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All the objects in the force diagrams shown below have the same mass.
Which of the force diagrams would result in the greatest change in speed?
I need help asap
Answer:
do u know what the answer is yet
Explanation:
can guys help me to answer it
Answer:
14) balanced
15) Unbalanced
I hope it helps.
HELP ME OUT PLS!!!!!
A swimmer makes a turn at a pool wall.
Which answer choice best describes the direction the swimmer accelerates when she pushes against the wall?
A) Away from her push because the wall exerts an equal and opposite force
B) Away from her push because the wall exerts a stronger force in the same direction
C) Same direction as her push because the wall exerts an equal force in the same direction
D) Same direction as her push because the wall exerts a stronger and opposite force
Answer:
C
Explanation:
Well Its called reaction force, so that helps you figure out what direction she would go towards. When you use anything that has reaction force what way are they normally going? So thats why she stayed still.
How many equivalents of acid are in an acid sample that requires 23.67 mL of 0.1467 N
NaOH solution to reach the endpoint?
An ecosystem is made up of the interaction of all organisms in an area with all nonliving things. Organisms are living things like animals, plants, and microbes. Nonliving things include water, dirt, rocks and the sun. The living things are called biotic components and the nonliving things are called abiotic components.
There are a few different types of biotic components. Producers are living things that use a process called photosynthesis, which turns the sun's energy, water and carbon dioxide into fuel. Producers form the molecules that are the basis for all life on Earth, including plants, algae and some bacteria.
Consumers are animals that get their energy from eating other plants and animals. Decomposers are organisms that break down animal and plant material to make nutrients available. Examples of decomposers are bacteria, fungi and insects.
Abiotic components include temperature, sunlight, water, wind and minerals.
.
Write a short paragraph that explains the central idea of the article. Use at least two details from the article to support your response.
Answer:
All species in a given region interact with all nonliving objects to form an ecosystem. Animals, plants, and bacteria are examples of living organisms. Water, soil, rocks, and the sun are all nonliving objects. Biotic components are living organisms, while abiotic components are nonliving organisms.
Biotic components come in a variety of shapes and sizes. Producers are living entities that convert the sun's energy, water, and carbon dioxide into fuel through a process called photosynthesis. Producers create the compounds that underpin all life on Earth, including plants, algae, and bacteria.
I rephrased this...
How does this number compare to what you predicted at the beginning of this lab genetics?
Answer:
Scientists estimate that the human genome, for example, has about 20,000 to 25,000 protein-coding genes. ... In fact, compared to almost any other organism, humans' 25,000 protein-coding genes do not seem like many. The fruit fly Drosophila melanogaster, for example, has an estimated 13,000 protein-coding genes.
Explanation:
I hope this helps!11.
Which statement are TRUE about protons.
a they have a positive charge
b they have a mass over 1800 times greater
than the mass of an electron
they were the first subatomic particles to be
С
discovered
d they repel electrons
Answer:
hoping this is a 2 mark answer a,b
Explanation:
electrons were the first subatomic particle to be discovered
protons + proton = repel
proton + electron = attract
- The bending of light as it passes at an angle from one type
of matter to another is called
PLEASE HELP ASAPPPPPPP!!!!!
Answer:LOL ITS PHYSICAL PROPERTIES
Explanation:IT IS TRUST ME
What is the purpose of the ice?
Answer:
Ice act and help in condensation of the vapor
Explanation:
The energy released when gaseous water vapor condenses to form liquid water droplets is called latent heat. Latent heat from condensation causes an increase in air temperature surrounding the water droplets. The warmer air rises, causing the water vapor to condense when it meets cooler air at a higher altitude
The carbon dioxide gas that was generated during this reaction was collected at 295K and 125 kPa. If 43.2 L of carbon dioxidegas was collected, how many grams of glucose (molar mass 180.155 g/mol) were used in this reaction?
Answer:
The balanced equation for this reaction is C2H2 + 502 + 4H2O + 3C02. What volume of carbon dioxide is produced when 2.8 L of oxygen are consumed? 25Explanation:
Using the initial concentration and volume values from Trial 1 of Table 1, fill in the following chart of new concentration values (in Molarity) for the following reactants: [BrO3-], [I-], [H+].
Based on the given concentration and volume of solutions, the molarity of the ions are as follows:
Molarity of [BrO3-] = 0.02 MMolarity of [I-] = = 0.0033 MMolarity of [H+] = 0.05 MWhat is molarity of a solution?The molarity of a solution is the number of moles of the substance in a given volume of solution in litres.
Molarity = moles/volume in LMoles of [BrO3-] = 0.04M × 0.005 L = 0.0002 moles
Moles of [I-] = 0.01 M × 0.005 L = 0.00005 moles
Moles of [H+] = 0.1 M × 0.005 L = 0.0005 moles
Flask A:
total volume = 15 mL = 0.015 L
Molarity of [I-] = 0.00005/0.015
Molarity of [I-] = = 0.0033 M
Flask B:
Total volume = 10 mL = 0.01 L
Molarity of [BrO3-] = 0.0002/0.01
Molarity of [BrO3-] = 0.02 M
Molarity of [H+] = 0.0005/0.01
Molarity of [H+] = 0.05 M
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Which of the following is considered a Green House Gas?
Answer:
Greenhouse gases (GHG) include carbon dioxide, water vapor, methane, ozone, nitrous oxide and fluorinated gases. These molecules in our atmosphere are called greenhouse gases because they absorb heat.
Explanation:
What is the difference between physical and chemical properties of matter
Answer:
A physical property is a characteristic of a substance that can be observed or measured without changing the identity of the substance. Physical properties include color, density, hardness, and melting and boiling points. A chemical property describes the ability of a substance to undergo a specific chemical change.
Explanation:
HOPE THIS HELPS!!!
Problem 2:
A company want to analyze moisture content of wheat flour before using to make bread. A technician use
the rapid moisture analyzer to measure the moisture content of the flour. After analyzing, the machine
showed the data of 11.2%. So how much amounts of water do we need to add to the flour to increase the
moisture content to 68% for breadmaking?
PLEASE
How many grams of hydrogen gas are created from a reaction of 72.0 g with an excess of water?
Answer:
How many grams of H2 can be produced from the reaction of 11.5 grams of sodium with an excess of water? Hint: 2Na + 2H2O ---> 2NaOH + H2. Ans: 0.505g .
Explanation:
What is the meaning of bezene
Answer:
Benzene is an organic chemical compound with the molecular formula C₆H₆. The benzene molecule is composed of six carbon atoms joined in a planar ring with one hydrogen atom attached to each. Because it contains only carbon and hydrogen atoms, benzene is classed as a hydrocarbon.
2. What is the volume of 40.0 g of N2 at STP?
Answer:
Molar mass of
N
2
=
28 g/mol
Moles of
40.5 g N
2
gas
=
40.5 g
28 g/mol
=
1.45 mol
1 mol
of any gas at
STP
occupies
22.4 L
of volume.
1.45 mol
of
N
2
gas will occupy
1.45
mol
×
22.4 L
1
mol
=
32.48 L
Describe in detail an experiment using only hot and cold water that would enable you to
verify that the heat capacity of your coffee-cup calorimeter is about 1.0 x 10' J/°C. Be
specific about the procedure you would follow and the calculations you would need to
perform?
Based on the principle of conservation of energy, the heat capacity of the calorimeter is calculated using the formula:
c = {m2 × w × (t2 - t1) - m2 × w × (t2 -t1)}/m3 × (t2 -t1)What is a calorimeter?A calorimeter is an equipment used to determine heat of reaction.
The calorimeter works on the principle of conservation of energy:
heat gained = heat lostQuantity of heat energy is calculated using the formula below:
q = mass × heat capacity × temperature differenceIn the experiment, the following procedure is followed:
Mass of the hot water, cold water and calorimeter are recorded temperature of the hot water is recordedtemperature of the the cold water and calorimeter is recorded final temperature of the mixture is recorded heat capacity of the calorimeter is calculated using the formula: heat gained by calorimeter and cold water = heat lost by hot water.Assuming that;
mass of hot water = m1 mass of cold water =m2mass of calorimeter = m3initial temperature cold water and calorimeter = t1final temperature of mixture = t2heat capacity of water = wheat capacity of calorimeter = cTherefore, the heat capacity of the calorimeter is calculated using the formula:
c = {m2 × w × (t2 - t1) - m2 × w × (t2 -t1)}/m3 × (t2 -t1)Learn more about calorimeters at: https://brainly.com/question/1407669
how many atoms are in 3Na2SO4
Hiya if you answr more than 5 = extra points please answer and least 3 lol and maybe explain how i can do it
Answer:
copy and paste them into the search and all of the answers come up trust me
Explanation:
A solid inorganic nitrate contains 9.37% magnesium 10.93% nitrogen oxygen and 42.18% water calculate formula of a compound.
This problem is providing us with the percent composition of a compound containing magnesium, nitrogen, oxygen and water. Thus, the empirical formula is required and found to be Mg(NO₃)₂·6H₂O.
Empirical formulasIn chemistry, empirical formulas are used in order to figure out the minimum whole-number representation of a molecular formula, which contains the actual number of atoms.
Thus, we start determining it by assuming the given percentages as masses and calculating the moles with the atomic or molar mass of the involved species:
[tex]n_{Mg}=\frac{9.37}{24.3} =0.386\\\\n_{N}=\frac{10.3}{14.01}=0.735\\ \\n_O=\frac{37.52}{16.00}=2.32\\ \\n_{H_2O}=\frac{42.18}{18.02}=2.34[/tex]
Next, we divide by the 0.386 as the smallest number of moles in order to determine their subscripts in the chemical formula:
[tex]Mg}=\frac{0.386}{0.386} =1\\\\n_{N}=\frac{0.735}{0.386}=2\\\\n_O=\frac{2.32}{0.386}=6\\\\n_{H_2O}=\frac{2.34}{0.386}=6[/tex]
Hence, the empirical formula turns out to be Mg(NO₃)₂·6H₂O, which is actually a hydrate (hexahydrate).
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Given the balanced equation with an unknown compound represented by X:
Which compound is represented by x ?
Answer:
CH3CH2OH
Explanation:
The reactant has:
- 6 carbon atoms
- 12 hydrogen atoms
- 6 oxygen atoms
The second product has:
- 4 oxygen atoms
- 2 carbon atoms
In 2CH3CH2OH there are:
- 4 carbon atoms
- 12 hydrogen atoms
- 2 oxygen atoms
If you combine the number of atoms of each chemical species of both 2CH3CH2OH and the second product, you will see that you get the same number of atoms of each chemical species in the reactant:
carbon = 2 + 4 = 6 (number of carbon atoms in reactant)
oxygen = 4 + 2 = 6 (number of oxygen atoms in reactant)
hydrogen = 0 + 12 = 12 (number of hydrogen atoms in reactant)
This means that no atoms were created or destroyed which is true for all equations. If this was done with one of the other compounds listed, atoms would have been created or destroyed which cannot happen. In all equations, atoms are never created or destroyed, however they do rearrange to form new products.
Nitrogen moves continuously between the atmosphere and soil in what is called the ______.
nitrification
weathering
nitrogen cycle
photosynthesis
Explanation:
weathering is correct answer thanks
Answer:
Your answer would be:
C.) Nitrogen Cycle
Nitrogen moves continuously between the atmosphere and soil in what is called the nitrogen cycle.
Explanation:
The nitrogen cycle is the biogeochemical cycle describing how nitrogen moves through the biosphere and atmosphere. The nitrogen cycle is a lot like the carbon and water cycle. Rainstorms contribute atmospheric nitrogen through raindrops that reach the soil. Plants, such as soybeans, alfalfa, and clovers, are plants that can convert atmospheric nitrogen into plant-usable nitrogen.
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#TheWizzer
It base please you guys
Answer:
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