In the reaction below, what does the symbol ? mean? OH- + NH4+ ? H2O + NH3

A) It means that the forward and backward reactions are happening at the same time.
B) It means that the reaction cannot decide which way to go.
C) It means that the forward reaction does not progress.
D) It means that the backward reaction happens as fast as the forward reaction and so the proton is not transferred at all.
E) none of the above


A

Environmental & Atmospheric Sciences

You might also like to view...

Chalk forms from ________

A) evaporation of magnesium rich waters B) magnesium rich fluids that chemically alter limestone bearing reefs C) the hard parts of microscopic organisms that accumulate on the sea floor D) direct precipitation from seawater

Environmental & Atmospheric Sciences

Unlike gravitational forces, electric forces include

A. the inverse-square law. B. separation distance. C. infinite range. D. repulsive interactions.

Environmental & Atmospheric Sciences

A mirage is caused by ____

A) scattering of light by air molecules B) the bending of light by air of different densities C) a thin layer of moist air near the ground D) reflection of light from a hot surface

Environmental & Atmospheric Sciences

Which one of the following is a type of "new renewable" energy?

A) sustainably harvested fuelwood B) ethanol C) wind power D) "biogas" methane E) biodiesel

Environmental & Atmospheric Sciences