For which of the following chemical equation has `Delta H = Delta U`

Which of the following reaction has Delta H = Delta U ?

For which of the following reactions, Delta H is equal to Delta U ?

Under which of the following conditions is the relation Delta H = Delta U + p Delta V valid for a closed system ?

For which of the following reactions, Delta H is greater than Delta U ?

Which of the following reactions is Delta H less than Delta E ?

For which of the following reaction Delta H = Delta E + 2RT

Which of the following reactions is Delta H less than Delta E ?

For which one of the following equations is Delta_(r) H^(@) equal to Delta_(f) H^(@) for the products (s)?