For the reaction 4 NH3(g) + 5 O2(g) \longrightarrow 4 NO(g) + 6 H2O(g), if the rate of change of NH3 (Δ[NH3]/Δt) is -6.0 x 10-3 M/s at a particular time. What is rate of the reaction at the same time?

a. 1.5 x 10-3 M/s
b. -2.4 x 10-2 M/s
c. -1.5 x 10-3 M/s
d. 2.4 x 10-2 M/s

the answer is b because, investigating whether another species of moth also drinks tears might be interesting, but it would not directly explain why this species of moth does.

to explain why this species of moth drinks tears, the scientist could ask: "what nutrients that moths need are in elephant tears? "

the scientist could experiment with moth repellent or oter ways to keep the moths away, but that would not answer his original question.

one negative thing it that it can kill water animals. another negative thing is it can cause the destruction of ecosystem. one way water pollution can be reduced is to conserve energy.

un recipient conține 6,4 moli de gaz. gazul hidrogen reprezintă 25% din totalul kilometrilor din container. în cazul în care presiunea totală este de 1.24 atm ceea ce este

(b) which contains higher levels of vitamin b, oranges or spinach?

explanation:

you can eliminate a, c, and d because they are questions based on opinions.