The Amount of Heat Needed to Change the Temperature of an Object

question 16

Short Answer

The amount of heat needed to change the temperature of an object can be calculated using the following equation: $Q = m c _ { p } \Delta T$ where $Q =$ amount of heat in calories
$m =$ mass of object in grams
$c _ { p } =$ specific heat of object
$\Delta T =$ change in temperature in $C ^ { \circ }$ What is the appropriate unit for $c _ { p }$ if the preceding equation is to be homogeneous in units? a. $\mathrm { cal }$

b. $g$

c. $\frac { \mathrm { cal } } { \mathrm { g } \cdot { } ^ { \circ } \mathrm { C } }$

d. $\mathrm { cal } / \mathrm { g }$

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