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tashaylinm02
24.10.2019 •
Chemistry
100 brainliest if correct
which is usually associated with a slower reaction rate?
a. adding a catalyst to the reactants
b. using a crushed solid in the reactants
c. using a strong solution of the reactants
d. removing heat energy from the reactants
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Ответ:
D.removing heat energy from the reactants
Ответ:
I can't explain it any better than this source than Google
“This is due to an increase in the number of particles that have the minimum energy required. The reaction rate decreases with a decrease in temperature. Catalysts can lower the activation energy and increase the reaction rate without being consumed in the reaction.”
Ответ:
- 935 mmHg.
Solution:- It is a unit conversion problem where the given pressure is 1.23 atm and we need to convert it to mmHg and see which choice is the right one.
The conversion factor from atm to mmHg is:
1 atm = 760 mmHg
Let's make the set up using this conversion factor to convert 1.23 atm to mmHg:
= 935 mmHg
So, the last choice is correct. The pressure is 935 mmHg.