Which of the following is an exothermic reaction?

a.) dissolving sugar in water

b.) melting ice

c.) condensing steam

d.) dissolving ammonium nitrate in water

Agas can holds 2.0 gal of gasoline. what is this quantity in cubic centimeters?

If 474 ml of 3.8 molar hcl solution is added to 146 ml of 3.8 molar ba(oh)2 solution, what will be the molarity of bacl2 in the resulting solution? answer in units of m

The human activities in two locations are described below: location a: rampant use of plastic containers location b: excessive use of pesticides and fertilizers which statement is most likely true? location a will have poor air quality because plastic is biodegradable. location a will experience water scarcity because plastic absorbs moisture. the population of honeybees will increase in location b because production of crops will increase. the population of fish in location b will decrease because the water is contaminated.