Chemistry flashcards

What is an Exothermic reaction?

A reaction that gives out energy to the surrounding area

1 of 6

What is an Endothermic reaction?

A reaction that takes in energy from the surrounding area.

2 of 6

Define the term ’standard enthalpy change’ of a reaction?

The heat energy change measured under standard conditions.

3 of 6

What is the equation used to calculate heat energy change from experimental data?

q = mcΔT

4 of 6

For an endothermic reaction, is the ΔH value positive or negative and why?

ΔH = positive because the products are higher in energy than the reactants and the heat is absorbed from surrounding areas

5 of 6

State one way you can find the Mean Rate of reaction?

quantity of reactant used divided by time taken or quantity of product formed divided by time taken

6 of 6

Other cards in this set

What is an Endothermic reaction?

A reaction that takes in energy from the surrounding area.

Define the term ’standard enthalpy change’ of a reaction?

What is the equation used to calculate heat energy change from experimental data?

For an endothermic reaction, is the ΔH value positive or negative and why?

Get Revising