PLEASE HELP
1 answer:
Answer:
Option B
Explanation:
The image for the question is attached herewith
Solution
The curve B represents gas curve at room temperature while C represents the gas curve for hot temperature and curve A represents gas curve for gas at cold temperature
The number of particles in hot gases are sparsely distributed and the energy of particles is high as compared to the energy of particles at room temperature and cool temperature.
Hence, option B is correct
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<u>Answer:</u> The initial concentration of hydrogen peroxide at the given temperature is 0.399 M
<u>Explanation:</u>
Decomposition of hydrogen peroxide is following first order kinetics.
Rate law expression for first order kinetics is given by the equation:
where,
k = rate constant =
t = time taken for decay process = 855 s
= initial amount of the reactant = ?
[A] = amount left after decay process = 0.321 M
Putting values in above equation, we get:
Hence, the initial concentration of hydrogen peroxide at the given temperature is 0.399 M