Multiple Choice
The reaction 2NOBr (g) → 2 NO (g) + Br2 (g)
Is a second-order reaction with a rate constant of 0.80 M-1s-1 at 11 °C.If the initial concentration of NOBr is 0.0440 M,the concentration of NOBr after 6.0 seconds is ________.
A) 0.0276 M
B) 0.0324 M
C) 0.0363 M
D) 0.0348 M
E) 0.0402 M
Correct Answer:

Verified
Correct Answer:
Verified
Q69: In general,as activation energy increases,reaction rate _.<br>A)goes
Q70: At elevated temperatures,methylisonitrile (CH<sub>3</sub>NC)isomerizes to acetonitrile (CH<sub>3</sub>CN):
Q71: What is the magnitude of the rate
Q72: The reaction A → B is first
Q73: As the temperature of a reaction is
Q75: What is the order of the reaction
Q76: The half-life for a first order rate
Q77: At elevated temperatures,methylisonitrile (CH<sub>3</sub>NC)isomerizes to acetonitrile (CH<sub>3</sub>CN):
Q78: It was determined experimentally that the reaction
Q79: Which energy difference in the energy profile