How much heat does an aluminum block absorb if 10.00 grams is heated from 25.0^oC to 50.0^oC? the specific heat of aluminum is 0.900J/g^oC

Which of the following equations represents the enthalpy change of combustion?

What is standard enthalpy of formation, ΔH_f^o?

which of the following enthalpy changes represent the enthalpy change of formation?

How much heat is needed to form 40.0 dm³ of NO₂ from its elements at STP?

N₂+ 2O₂ -> 2NO₂ ΔH_rxn = +67.0kJ

Which of the following has a ΔH_f^o value of 0?

Calculate the enthalpy of the following reaction using the data provided below.

Ca(OH)₂ --> CaO + H₂O

ΔHf in kJ/mol:

Ca(OH)₂ -983.2

CaO -634.9

H₂O -285.5

Calculate enthalpy (in kJ) for these reactions and determine if reaction is exothermic or endothermic.

CaCO₃(s) --> CaO(s) + CO₂(g)

Calculate enthalpy (in kJ) for these reactions and determine if reaction is exothermic or endothermic.

CH₄(g) + Cl₂(g) --> CCl₄(l) + 2H₂(g)

Calculate enthalpy (in kJ) for these reactions and determine if reaction is exothermic or endothermic.

4NH₃(g) + 7O₂(g) --> 4NO₂(g) + 6H₂O(l)

Calculate enthalpy (in kJ) for these reactions and determine if reaction is exothermic or endothermic.

Ba(s) +2HCl(aq) --> BaCl₂(aq) + H₂(g)