Which statement correctly describes a reaction in dynamic equilibrium?
o At dynamic equilibrium, the reactions stop and the amounts of reactants and products do not change.
o At dynamic equilibrium, the reactions continue but the amounts of reactants and products do not change.
o At dynamic equilibrium, the reactions stop but the amounts of reactants and products are changing.
o At dynamic equilibrium, the reactions continue and the amounts of reactants and products are changing.

Answers

Answer 1

Answer:

"At dynamic equilibrium the reactions continue but the amounts of reactants and products do not change." would be the correct description

Explanation:

Dynamic equilibrium occurs when the rates of change and concentration are the same, so the reaction still takes place, but the amounts of reactants and products stay the same without any change.

Answer 2

According to chemical equilibrium, the statement which correctly describes dynamic equilibrium is that at  dynamic equilibrium, the reactions continue but the amounts of reactants and products do not change.

What is chemical equilibrium?

Chemical equilibrium is defined as the condition which arises during the course of a reversible chemical reaction with no net change in amount of reactants and products.A reversible chemical reaction is the one wherein the products as soon as they are formed react together to produce back the reactants.

At equilibrium, the two opposing reactions which take place take place at equal rates and there is no net change in amount of the substances which are involved in the chemical reaction.At equilibrium, the reaction is considered to be complete . Conditions which are required for equilibrium are given by quantitative formulation.

Factors which affect chemical equilibrium are change in concentration , change in pressure and temperature and presence of catalyst.

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Related Questions

CaCO2=CaO + CO₂
How do I balance this equation?

Answers

2CaCO2–>2CaO+CO2
2 Calciums on both sides, 2 Carbons on both sides, and 4 Oxygens on both sides.

What determines how much something will change temperature?

Answers

Answer:

The heat Q transferred to cause a temperature change depends on the magnitude of the temperature change, the mass of the system, and the substance and phase involved. (a) The amount of heat transferred is directly proportional to the temperature change.

Hope it helps, BE SAFE! :3

How many hydrogen atoms are there in 2.25 moles of H2CO3?

Answers

Answer:

4.5moles

Explanation:

2.25moles times 2 hydrogen atoms per one molecule

The number of hydrogen atoms present in 2.25 moles of hydrogen carbonate is 4.5.

What is a mole?

A mole of a compound is equivalent to the one formula unit of the compound. The number of atoms of each element in a mole of the compound can be given from the formula unit.

1 unit of hydrogen carbonate consists of 2 atoms of hydrogen. Thus, 1 mole of hydrogen carbonate has 2 hydrogen atoms.

The number of hydrogen atoms in 2.25 mole of hydrogen carbonate can be given as:

[tex]\rm 1\;mol\;H_2CO_3=2\;atoms\;Hydrogen\\2.25\;mol\;H_2CO_3=2.25\;\times\;2\;atoms\;of\;hydrogen\\2.25\;mol\;H_2CO_3=4.5\;atoms \;of\;Hydrogen[/tex]

The number of hydrogen atoms present in 2.25 moles of hydrogen carbonate is 4.5.

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If you evaporated 125 mL of a 3.5 M solution of iron(II) nitrite, how many moles of iron(II) nitrite would you recover?

Answers

Considering the definition of molarity, 0.4375 moles of iron(II) nitrite you would recover.

In order to find the moles of the solid that can be recovered from this solution, you need to use the definition of molarity.

Definition of molarity

Molar concentration or molarity is a measure of the concentration of a solute in a solution and indicates the number of moles of solute that are dissolved in a given volume.

The molarity of a solution is calculated by dividing the moles of solute by the volume of the solution:

[tex]Molarity=\frac{number of moles}{volume}[/tex]

Molarity is expressed in units [tex]\frac{moles}{liters}[/tex].

Moles of iron(II) nitrite

In this case, you evaporated 125 mL of a 3.5 M solution of iron(II) nitrite​. Then you know:

Molarity= 3.5 Mnumber of moles= ?volume= 125 mL= 0.125 L (being 1000 mL= 1 L)

Replacing in the definition of molarity:

[tex]3.5 M=\frac{number of moles}{0.125 L}[/tex]

Solving:

number of moles= 3.5 M× 0.125 L

number of moles= 0.4375 moles

Finally, 0.4375 moles of iron(II) nitrite you would recover.

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what happens inside a can of solid food as gas is produced

Answers

Answer:

Bacteria or mold grows in the can giving of the gasses and producing byproducts that may be harmful or dangerous to ingest (eat).

Explanation:

In the sketch area, draw a dot diagram for the below compound. Make sure to show the transfer of electrons and the resulting positive and negative ions Na2S​

Answers

Answer: For ionic compounds, the ratio in which. positive & negative ions combine is ratio that achieves charge neutrality for resulting compound.

Explanation:

what kind of weather would you associate with a high pressure system? how does the density, humidity, and air motion compare to that of a low pressure system

type your answer here:

Answers

Answer:

High pressure and low pressure have two distinct types of weather associated with them...typically. High pressure often means dry weather with sunshine. Low pressure often means clouds and precipitation. High pressure is associated with sinking air.

Explanation:

High-pressure systems are usually called Fair Weather Systems because the 7 types of weather in a high-pressure zone are generally comfortable and clear. Keep in mind that high and low pressures mean the air is under higher or lower pressure relative to the surrounding air.

A balloon containing 0.040 mol of a gas with a volume of 5.0 mL was expanded to 1.0 L.

Which equation should you use to find the amount of gas added?

Answers

Answer:

B)   n2=V2N1/V1

the second part is 0.080

Explanation:

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The volume and number of moles of a gas are in direct proportion. Hence, as the volume increases from 5 ml to 1 L, number of moles increases from 0.040 to 8 moles.

What is Avogadro's law?

Avogadro's law, states that, at constant pressure and temperature, the number of moles of a gas is directly proportional to the volume of the gas. Hence,

V1/n1 = V2/n2, for two different volumes.

Given that, v1 = 5 ml

v2 = 1 L = 1000 ml

n1 = 0.040 mol

then n2 = v2 n1/ v2

Number of moles at 1 L = (0.040 mol × 1000 ml)/5 ml = 8 moles.

Hence, the number of moles of the gas added  = 8 - 0.040 = 7.96 moles.

Therefore, the amount of gas added at the increased volume is 7.96 moles.

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What does it mean that something is a conservative ion?

Answers

Answer:

The major ionic constituents whose concentrations can be determined from the salinity are known as conservative substances. Their constant relative concentrations are due to the large amounts of these species in the oceans in comparison t

Combustion of an unknown compound containing only carbon and hydrogen produces 12.3 g of CO₂ and 3.8 g of H₂O. What is the empirical formula of the compound?

Answers

Answer:

C2H3

Explanation:

.

The empirical formula of the compound is C3H3.

What is an empirical formula?

In science, the exact equation of a synthetic compound is the most straightforward entire number proportion of particles present in a compound. A basic illustration of this idea is that the experimental recipe of sulfur monoxide, or somewhere in the vicinity, would just be Thus, similar to the observational recipe of di sulfur dioxide, S2O2.

In this manner, sulfur monoxide and di sulfur dioxide, the two mixtures of sulfur and oxygen, have a similar exact equation. Nonetheless, their sub-atomic equations, which express the quantity of iotas in every particle of a synthetic compound, are not something similar.

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The rate of the given reaction is 0.840 M/s.
A +4B - 2C
What is the relative rate of change of each species in the reaction?

Answers

This problem is providing the rate of the given reaction as 0.840 M/s and asks for the relative rate of change of each species. At the end, the results turned out to be -0.840 M/s, 0.210 M/s and 0.420 M/s for A, B and C respectively.

Relative rate of change

In chemical kinetics, when chemical reactions take place, it turns out possible for us to quantify in what extent a reaction is proceeding over time, by overseeing the change in the concentration as the time goes by.

In such a way, when given the rate of reaction, one can calculate the relative rate of change of each species by using the following equation, involving their stoichiometric coefficients in the reaction:

[tex]r_A=\frac{r}{-1} \\\\r_B=\frac{r}{-4} \\\\r_C=\frac{r}{2}[/tex]

Where these coefficients are negative for reactants and positive for products. In such a way, one can plug in the given rate of reaction to obtain each species' as follows:

[tex]r_A=\frac{0.840M/s}{-1} =-0.840M/s\\\\r_B=\frac{0.840M/s}{-4} =0.210M/s\\\\r_C=\frac{0.840M/s}{2}=0.420M/s[/tex]

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How do you separate and collect salt and water after a neutralisation reaction?

Answers

Answer:

First filter the the un-soluble solute out of the solution

Then get the solute and put it on an evaporating dish to form salt crystals

Explanation:

How many moles of hydrogen would be required to produce 5 mol of water?

Answers

Answer:From this you can see that 5 moles of hydrogen gas would react with 2.5 of the available 3 moles of oxygen gas, to form 5 moles of water.

Explanation:

Determine the molar mass of (show your work) :

FeCl3•6H2O (note, this is all 1 molecule. Its an FeCl3 with a cage of 6H2O’s attached. These molecules are known as hydrates.)

Ca3(PO4)2

Answers

To find molar mass, simply add up the masses of each element. Notice the subscripts as well. I rounded to the nearest whole number, except for Cl (35.5)

G. A gas is at currently at STP. What volume will the
gas have at 100°C and 5.0 atm?

Answers

Answer:

[tex]less \: than \: 10 \: litres \: [/tex]

Explanation:

At 100℃,P=1atm

V=10L

At NTP, T=20

P=1atm

PV=nRT

PV=nRTV∝C

So at NTP temp is less than 100℃ and as the volume is proportional to temperature.

So at NTP temp is less than 100℃ and as the volume is proportional to temperature.Thus, the volume will be less than 10L as the temperature decreases.

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Calculate the number of moles of KOH in 6.70 mL of a 0.480 M KOH solution. (Enter your answer in scientific notation.)

Answers

Answer:

3.2×10^-3 mol

Explanation:

The equation for molarity is M= n/L. Where "M" is Molarity, "n" is the number of moles of solute, and "L" is the total liters in solution.

The question gives you the volume in mL, so to convert "mL" to "L" you need to divide by 1000. (6.70mL/ 1000L)= 0.0067L.

Now you can plug the numbers into the equation. 0.480M= n/ 0.0067L), multiply (0.480M×0.0067L)= 0.003216 mol. The scientific notation is 3.2×10^-3, 10^-3 because you move the decimal back three times and 3.2 because there are 2 sig figs.

Does the food you eat can affect your gut bacteria? Explain?

Answers

Answer: Your gut bacteria can affect how your food is digested, how fat is stored and whether you feel hungry or full.

Explanation: Thus, a healthy gut bacteria may be important for maintaining a healthy weight. High-fiber foods like whole grains, fruits, vegetables, nuts and seeds can all promote healthy gut bacteria.

Which location in the image below represents the OLDEST rocks?

Answers

A and C are the only two places that would represent the oldest rocks

I wonder what avocado is made of

Answers

Answer:

The avocado consists of around 73% water, 15% fat, 8.5% carbohydrates — mostly fibers — and 2% protein. Half an avocado, at around 100 grams (g) contains 160 calories ( 1 ).

3. Indicators are usually organic molecules with functional groups that will accept or donate
protons to the solution which will change the structure and make the solution change color. How
does the accuracy and precision of a pH measurement done with an indicator compare to that of
pH paper or a pH probe?

Answers


Litmus paper (whether red or blue) is only indicative of whether a substance is acidic or basic.

Universal indicator can tell you the approximate pH for example a substance could have a pH of 13.

A pH probe is the most sensitive piece of equipment so is more reliable. A pH probe will give you a more accurate result for example a pH of 13.2

How would an asthma attack most likely affect oxygen delivery in the body?

Answers

Answer: During an asthma attack, you aren't getting enough oxygen into your lungs. This means less oxygen is getting into your blood and into your muscles. Without oxygen, fatigue sets in.

Describe how the flow of water changes the temperature at the beach ?

Answers

Answer: Ocean currents act as conveyer belts of warm and cold water, sending heat toward the polar regions and helping tropical areas cool off

Explanation: Hope this helps? Brainliest if it helped

In this system, ___________________ energy from the cyclist is converted to a lot of ___________________ energy and a little bit of ___________________ energy. The ___________________ energy from the turning bicycle wheel spins the turbine which generates ___________________ energy. The fluorescent light bulb converts this energy into two new forms: a lot of ___________________ energy and very little ___________________ energy.
Switch out the fluorescent bulb (curly one) with the incandescent bulb (rounded) and observe the energy output.

Answers

Energy can be converted from one form to another.

What is energy transformation?

The question is incomplete as the system is not shown but I will try to help you the much I can. First of all, this question deals with the idea of energy transformation. We must note that energy is neither created nor destroyed but can be transformed from one form to another.

The system ought to have been composed of many systems in which energy transformations occur ad each of these must obey the law stated  above. These energy transformation are not 100% efficient as some energy is lost as heat along the way

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How many atoms of magnesium metal are needed to produce 3.87 moles of magnesium oxide
(Mgo)?
2Mg(s) + O2(g) —> 2MgO (s)
What was the mass of the Mg that the students began with?

Answers

Answer:

48.42g of Mg

Explanation:

Answer:

they other guys is ri gh gt

How do I Determine the number of moles in 3.51 x 1023 formula units of CaCl2.

Answers

Answer:

I used a picture

Explanation:

Hope it helps<3

Please help I’m marking the brianliest answer please

Answers

I can’t read it can you put some light please?

The model here shows a process by which a hydra, an aquatic organism, produces a new offspring that is a clone of the original organism. If a student is explaining how the organism creates its own clone, which process would be included in the explanation? A) mitosis B) meiosis C) fertilization D) binary fission

Answers

The answer is
D.) binary fission

The reproduction of hydra is through budding process from its body. This process of regeneration is called mitosis.Mitosis is a type of cell division process. Thus option A is correct.

What is mitosis?

Mitosis is a cell division process in which one cell produces two identical daughter cells. The term mitosis means the duplication of the genetic material chromosomes with the exact gene information.

Different stages in mitosis together is called mitotic phases. Hydra is an invertebrate freshwater organism. Hydra has a translucent tubular body which can be elongated and contracted.

Hydra is classified to the phylum hydrozoa. It have a regeneratable head. The reproduction of hydra is through budding. A small bud first projects from its tubular body which then develops and emerges out by cell division.

The divided daughter hydra will grow as a matured hydra. This overall budding process takes places through mitosis. Hence, option A is correct.

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i am giving Branly to the fastest and best answer

Davy made a model of the water cycle by adding some water inside a plastic bag, sealing the bag, and placing it in a sunny area. He noticed that the level of the water went down, and then some droplets appeared on the sides of the bag. Which part of the water cycle caused water droplets to form on the side of the plastic bag?


Condensation

Evaporation

Precipitation

Runoff

Answers

Answer:

precipitation

Explanation:

is CO2 a covalent or ionic bond? will give brainliest for the correct answer​

Answers

Answer:

covalent bond

Explanation:

a covalent bond happens between two nonmetals

a ionic bond happens between a metal and a non metal

CO2 is a bond between carbon and oxygen

carbon and oxygen are both non metals therefore CO2 is a covalent bond

which safety symbol would you expect to see on a can of insect repellant?​

Answers

Answer:

Pesticides. They are labelled to help identify their toxicity.

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