The equation you provided is:

\[
Q_V = m c_V \Delta T
\]

This is the formula for calculating heat transfer at constant volume, where:
- \( Q_V \) is the heat added or removed at constant volume (in joules, J),
- \( m \) is the mass of the substance (in kilograms, kg),
- \( c_V \) is the specific heat capacity at constant volume (in joules per kilogram per degree Celsius, J/kg·°C),
- \( \Delta T \) is the change in temperature (in degrees Celsius, °C or Kelvin, K).

This equation is used in thermodynamics to calculate the heat transfer when the volume of the system is held constant.

Would you like further details or clarifications on any part of this equation?

### 5 Related Questions:
1. How does this equation change if the volume is not constant?
2. What is the difference between \( c_V \) (specific heat at constant volume) and \( c_P \) (specific heat at constant pressure)?
3. How is this formula applied in real-life scenarios, such as heating gases?
4. What units are used for each variable in the equation?
5. How does the heat transfer differ between different substances?

### Tip:
For gases, the values of \( c_V \) and \( c_P \) depend on whether the gas is ideal or real, as well as its molecular structure.

Understand the heat transfer formula Q_V = m c_V ΔT used in thermodynamics. Learn how to calculate heat added or removed at constant volume with step-by-step explanations, including variables like mass, specific heat capacity, and temperature change. Suitable for undergraduate-level physics or engineering students.

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