Q23. The amount of heat provided to a system at constant pressure (qp) is equal to _______. Physics — Heat and Thermodynamics — Question 23 of 415A. Change in internal energy (ΔU) B. Change in enthalpy (ΔH) C. Change in free energy (ΔG) D. Change in temperature only (ΔT) E. Change in pressure only (ΔP) Practice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →