The reaction 2 A + B2 -> 2 AB follows this mechanism: Step 1: A + B2 -> AB + B (slow)

Step 2: A + B -> AB (fast)

What is the order with respect to [B2] in the overall reaction?
A. zero
B. first
C. second
D. third
E. it cannot be determined

In dunker's candle experiment, subjects weren't able to find a solution to the candle problem because they could not see past the conventional use of the box. which obstacle to problem solving did the subjects experience? (2 points) functional fixation counterproductive heuristic confirmation bias overconfidence

Based on the graph, how is coal consumption likely to affect future generations? a. the higher our current rate of consumption, the less coal will be available in the future. b. current rates of consumption are irrelevant because new coal will form in the future. c. the lower our current rate of consumption, the more slowly coal will be replenished for the future. d. regardless of current rates of consumption, coal will always be available.

Do you think defendants should have be found guilty beyond a reasonable doubt to be convicted? or do you think a lesser burden of proof, like the preponderance of evidence in needed in civil cases, is more appropriate?