what is an exothermic reaction?

What is an endothermic reaction?

what type of reaction is a neutralisation reaction?

what type of reaction is a combustion reaction?

is the statement "it is always the case that a reaction that is endothermic in one direction is exothermic in the other" true or false?

what is the unit used to measure the enthalpy of combustion?

why is the unit of measure kjmol-1 used?

what unit is more important than the enthalpy change when measuring fuels?

what advantage does petrol have over alcohols?

what are the advantages and disadvantages of hydrogen gas?

write a balanced equation for the combustion of hydrogen.

how do the products of combustion vary between hydrogen and other fuels?

What is enthalpy change?

What are the standard conditions for measuring enthalpy change?

why is it important to have a standard pressure?

what is the unit for the standard enthalpy change of reaction.

What is the standard molar enthalpy of formation?

what is the standard molar enthalpy of combustion?

What is temperature?

what is heat?

what is the equation to calculate enthalpy change?

What is calorimeter?

state 4 reasons why may simple calorimeter be inaccurate.

what is the most accurate way to measure enthalpies of combustion?

What is Hess's law?

What is the standard enthalpy of elements?

What is the bond dissociation enthalpy?