Chemistry, 19.05.2020 04:01, blackbetty79
How does the concentration of reactants affect the rate of a reaction?
A. Increasing the concentration increases the kinetic energy of the
molecules.
B. Increasing the concentration increases the molecules' collision
frequency
c. Increasing the concentration decreases the reaction's activation
energy
D. Increasing the concentration increases the temperature of the
solution
Answers: 1
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Which statement best explains the relationship between an area is geography and the temperature of its surface water
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Chemistry, 22.06.2019 18:00, kyllow5644
Answer asap need to be answered by wednesday morning explain how a buffer works, using an ethanoic acid / sodium ethanoate system including how the system resists changes in ph upon addition of a small amount of base and upon addition of a small amount of acid respectively. include the following calculations in your i. calculate the ph of a solution made by mixing 25cm3 0.1m ch3cooh and 40cm3 0.1m ch3coo-na+. [ka = 1.74 x 10-5 m] ii. calculate the ph following the addition of a 10cm3 portion of 0.08 m naoh to 500cm3 of this buffer solution. iii. calculate the ph following the addition of a 10cm3 portion of 0.08 m hcl to 200cm3 of the original buffer solution.
Answers: 3
Chemistry, 23.06.2019 04:00, hailey200127
What is the volume of 2.5 moles of nitrogen gas (n2)at standard temperature and pressure (stp)?
Answers: 1
How does the concentration of reactants affect the rate of a reaction?
A. Increasing the conce...
A. Increasing the conce...
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