Investigation

Question 1

Endothermic reaction

Answer 1

Reactions where heat energy is absorbed from the surrounding and temperature on the surroundings decreases.

Question 2

Exothermic reactions

Answer 2

Reactions whereby heat is released to the surroundings and temperature of the surroundings increases.

Question 3

Solute

Answer 3

A substance that gets dissolved in another substance (solvent)

Question 4

Solvent

Answer 4

A substance that has the ability to dissolve other substances. Typically a liquid like water.

Question 5

Solution

Answer 5

A mixture of two or more substances where one substance where the solute is evenly distributed in the solvent.

Question 6

Ammonium chloride in water

Answer 6

Ammonium chloride absorbs the heat from its surroundings during the process.When it is added to water to ions NH4 and Cl- form the solid seperate by water molecules, forming hydrated ions.