Which equation best expresses the quantity of thermal energy required to change the…

PHYSICS · Single correct · AP · Physics 2: Algebra-based · Thermodynamics · Thermodynamics

Problem

Which equation best expresses the quantity of thermal energy required to change the temperature of a substance of mass

m

\Delta T

? (a)

q = nC_{p}\,\Delta T

(b)

q = C\,\Delta T

(c)

q = mc\,\Delta T

(d)

q = m\,\Delta H_{\text{vap}}