# Problem: Consider the following hypothetical reaction 4A (g) + 2B (g) → 3C (g) + D (g) Which of the following statement(s) is/are correct? i. The rate B disappears is twice (2 times) the rate that D appears. ii. The rate A disappears is twice (2 times) the rate that B disappears. iii. The rate C appears is one third (1/3 times) the rate that D appears.   A. i only B. ii only C. i and ii D. ii and iii E. i and iii

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###### Problem Details

Consider the following hypothetical reaction

4A (g) + 2B (g) → 3C (g) + D (g)

Which of the following statement(s) is/are correct?

i. The rate B disappears is twice (2 times) the rate that D appears.

ii. The rate A disappears is twice (2 times) the rate that B disappears.

iii. The rate C appears is one third (1/3 times) the rate that D appears.

A. i only

B. ii only

C. i and ii

D. ii and iii

E. i and iii

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Average Rate of Reaction concept. You can view video lessons to learn Average Rate of Reaction. Or if you need more Average Rate of Reaction practice, you can also practice Average Rate of Reaction practice problems.

What is the difficulty of this problem?

Our tutors rated the difficulty ofConsider the following hypothetical reaction 4A (g) + 2B (g...as medium difficulty.

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What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Roychowdhury's class at RUTGERS.