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 characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.

Need what is special about water as a compound? how does water regulate climate? what drives water evaporation?   why is the water vapor fresh water when it rises from the ocean? why might freshwater in the form of snow take longer to enter the water cycle again than liquid precipitation?   what is an aquifer? what role do people play in the water cycle? plz just answer as many as you can ! thx if you !

Draw the aromatic compound toluene (methylbenzene). show all hydrogen atoms, including those on the ring.