Select the correct answer.

Consider the following reaction in a closed system:

H2(g) + I2(g) → 2HI(g)

Which of the following will decrease the rate of the forward reaction?
A.
add some H2
B.
remove some HI
C.
increase the volume
D.
increase the temperature

The reaction below shows a system in equilibrium. how would a decrease in temperature affect this reaction? a. the rate of formation of the gases would increase. b. the equilibrium of the reaction would shift to the left. c. the equilibrium would shift to cause the gases to sublime into solids. d. the chemicals on the left would quickly form the chemical on the right.

The diagin dilutepage 6 of 12a6a5(a)fluorine, chlorine, bromine and iodine are placed in the same group of theperiodic table.state the common name used to describe elements in this group.(i)state the group in which the elements are placed and explain whythey are placed in that group.(ii)which of the above named elements is a solid at roomtemperature and pressure?

What powdery mineral is a health hazard when airborne?