Thermochemistry Review

Which law states that energy cannot be created nor destroyed, but it can be transformed or transferred?

• Dalton's Law

• law of conservation of energy

• Hess's Law

• E=mc^2

• 309.6 J

• -309.6 J

• 465 J

• -465 J

• -3.48 J

• 3.48 J

• 1704 J

• -1704 J

When water evaporates, the process is...

• endothermic

• exothermic

When wood is burned in a campfire, the process is...

• endothermic

• exothermic

• negative

• positive

• negative

• positive

• 2560 kJ

• 1280 kJ

• 1920 kJ

• 3840 kJ

• -180 kJ

• -360 kJ

• 180 kJ

• 360 kJ

In an exothermic reaction, heat is a...

• product

• reactant