The principle of the wet-bulb thermometers states that
a. evaporation causes cooling
b. evaporation causes heating
c. moving air cools objects
d. the dry-bulb thermometer absorbs water from the wet-bulb thermometer

e

explanation:

the potential energy of the reactants is 200j.

from the energy diagram, the energy of the product formed is 350j; this means that, this reaction is an endothermic reaction, because it absorbs energy from its environment.

a) the particles of the chair are strongly held together.

1.43 x 10^-11 j the guy commented the awnser just making sure u see it .