Thermodynamics and Enthalpy - Numerical Applications
Download Q&A
Q. A chemical reaction releases 250 J of heat. If the reaction occurs at constant pressure, what is the change in enthalpy?
Q. A process absorbs 300 J of heat and does 100 J of work. What is the change in internal energy (ΔU)?
Q. A reaction has an enthalpy change of 200 kJ for the formation of 1 mole of product. What is the enthalpy change for the formation of 0.5 moles of product?
Q. Calculate the change in enthalpy (ΔH) when 2 moles of a substance absorb 500 J of heat at constant pressure.
Q. For a reaction with ΔH = -120 kJ, how much heat is absorbed when 0.25 moles of reactants are converted?
Q. If the enthalpy change (ΔH) for a reaction is -150 kJ and the reaction occurs at constant pressure, how much heat is released when 3 moles of reactants are consumed?
Q. If the enthalpy change for a reaction is +75 kJ for 2 moles, what is the enthalpy change per mole?
Q. If the enthalpy change for a reaction is -500 kJ for 5 moles, what is the enthalpy change for 1 mole?
Q. What is the enthalpy change when 4 moles of a substance release 800 J of heat?
Showing 1 to 9 of 9 (1 Pages)
