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mindruna
- Junior | Next Rank: 30 Posts
- Posts: 27
- Joined: Mon Mar 19, 2007 6:23 pm
- Location: Cambridge, MA
The rate of a chemical reaction is directly proportional to the square of the concentration of chemical A present and inversely proportional to the concentration of chemical B present. If the concentration of B is increased by 100%, which of the following is closest to the percent change in concentration of chemical A required to keep the reaction rate unchanged?
A) 100 % decrease
B) 50% decrease
C) 40 % decrease
D) 40 % increase
E) 50 % increase
The OA is D. How?
A) 100 % decrease
B) 50% decrease
C) 40 % decrease
D) 40 % increase
E) 50 % increase
The OA is D. How?
