subject
Chemistry, 10.01.2020 09:31 tadvet1633

Which of the following is an exothermic reaction?

a) dissolving ammonium nitrate in water to cool the water
b) dissolving sugar in water
c) melting ice
d) oxidation of iron

which of the following is an exothermic reaction?

a) dissolving ammonium nitrate in water to cool the water
b) condensation
c) dissolving sugar in water
d) melting ice

what type of substance would be best for use in a cooling system?

a) a liquid with a low specific heat
b) a liquid with a high specific heat
c) a solid with a high specific heat
d) a gas with a low specific heat

ansver
Answers: 3

Another question on Chemistry

question
Chemistry, 22.06.2019 15:00
20 pts ‼️ an unmanned spacecraft travels to mars. mars has a lower strength of gravity than earth. where in the image is the spacecraft’s weight the greatest?
Answers: 2
question
Chemistry, 23.06.2019 01:30
Concentrations expressed as a percent by mass are useful when the solute is a a. liquid b. gas c. solid
Answers: 1
question
Chemistry, 23.06.2019 02:00
Which of these is a density dependent factor? a. epidemic b. earthquake c. drought d. hurricane
Answers: 2
question
Chemistry, 23.06.2019 03:00
A0.100-kilogram apple hangs in a tree 1.50 meter above the ground. ignore frictional effects, the total mechanical energy of the apples is
Answers: 1
You know the right answer?
Which of the following is an exothermic reaction?

a) dissolving ammonium nitrate in wat...
Questions
question
Biology, 04.10.2021 21:10