3 years ago

What happens to the speed of molecules in water vapor when it condenses to a form of liquid

1 answer:

3 0

The speed of the molecules decrease.

When water condenses, the temperature of the water decreases. When the temperature of an molecule decreases, the speed of that molecule also decreases.

When water condenses, the speed of the molecules decreases.

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Express the rate of the reaction in terms of the change in concentration of each of the reactants and products.

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Answer:

c. rate=−1/2Δ[HBr]/Δt=Δ[H2]/Δt=Δ[Br2]/Δt

Explanation:

Hello,

In this case, the undergoing chemical reaction is:

$2HBr(g)\rightarrow H_2(g)+Br_2(g)$

Thus, the rate is given as:

$rate=-\frac{1}{2} \frac{\Delta [HBr]}{\Delta t}=\frac{\Delta [Br_2]}{\Delta t} =\frac{\Delta [H_2]}{\Delta t}$

It is necessary to remember that each concentration to time interval is divided into the stoichiometric coefficient, that is why HBr has a 1/2. Moreover, the concentration HBr is negative since it is a reactant and it has a negative rate due to its consumption.

Therefore, the answer is:

c. rate=−1/2Δ[HBr]/Δt=Δ[H2]/Δt=Δ[Br2]/Δt

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What happens to the speed of molecules in water vapor when it condenses to a form of liquid​

What happens to the speed of molecules in water vapor when it condenses to a form of liquid