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adelina 88 [10]
3 years ago
13

How much heat energy is required to raise the temperature of 0.368kg of copper from 23.0 ∘C to 60.0 ∘C? The specific heat of cop

per is 0.0920 cal/(g⋅∘C)
Physics
2 answers:
Gnesinka [82]3 years ago
6 0

The heat required to raise the temperature of the copper is \boxed{1252.6\,{\text{cal}}}.

Further Explanation:

Given:

The mass of the copper is 0.368\,{\text{kg}}.

The specific heat capacity of copper is 0.0920\,\text{cal/g}\cdot^\circ\text{C} .

Concept:

The specific heat capacity of a particular substance is the amount of energy required to raise the temperature of unit mass of the substance by 1\,^\circ {\text{C}}.

The change I temperature required to heat the copper is given as.

\Delta T = {T_f} - {T_i}  

Substitute the final and initial values of temperature.

\begin{aligned}\Delta T &= 60 - 23\,^\circ {\text{C}} \\&= {\text{37}}\,^\circ {\text{C}} \\\end{aligned}  

The expression for the amount of heat required to raise the temperature of the copper is.

 \boxed{Q = mC\Delta T}

Here, Q is the amount of heat required, m is the mass of the substance, C is the specific heat capacity and \Delta T is the change in temperature required.

Substitute the values in above expression.

\begin{aligned}Q&=368\,\text{g}\times(0.0920\,\text{cal/g}\cdot{^\circ\text{C}})\times(37\,{^\circ}\text{C})\\&=1252.6\,\text{cal}\end{aligned}  

Thus, the amount of heat required to raise the temperature of the copper from 23\,{\text{^\circ C}} to 60\,{\text{^\circ C}} is \boxed{1252.6\,{\text{cal}}}.

Learn More:

  1. The expansion of the gas at constant pressure brainly.com/question/9979757
  2. Obtain the threshold frequency of the caesium brainly.com/question/6953278
  3. Determine the average translational kinetic energy of the gas molecules brainly.com/question/9078768

Answer Details:

Grade: High School

Chapter: Heat transfer

Subject: Physics

Keywords:  Heat energy, raise the temperature, substance, copper, unit mass, heat required, specific heat, mass, 23 C to 60 C, capacity.

Katarina [22]3 years ago
3 0
The change in temperature here corresponds to a sensible heat. The amount of energy required can be calculated by multiplying the specific heat capacity, the amount of the substance and the corresponding change in temperature.

Heat required = mCΔT
Heat required = 0.368 kg (0.0920 cal/g°C) (60 - 23)°C
Heat required = 1.25 cal
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