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Heat Transfer at Constant Pressure Formula

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Heat transfer is the amount of heat that is transferred per unit weight. Check FAQs

Q p = m gas \cdot C pm \cdot (T f - T i)

Q_p - Heat Transfer?m_gas - Mass of Gas?C_pm - Molar Specific Heat Capacity at Constant Pressure?T_f - Final Temperature?T_i - Initial Temperature?

Heat Transfer at Constant Pressure Example

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Here is how the Heat Transfer at Constant Pressure equation looks like with Values.

Here is how the Heat Transfer at Constant Pressure equation looks like with Units.

Here is how the Heat Transfer at Constant Pressure equation looks like.

9.76 = 2 \cdot 122 \cdot (345 - 305)

9.76kJ/kg = 2kg \cdot 122J/K*mol \cdot (345K - 305K)

9.76 = 2 \cdot 122 \cdot (345 - 305)

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Heat Transfer at Constant Pressure Solution

Follow our step by step solution on how to calculate Heat Transfer at Constant Pressure?

FIRST Step Consider the formula

Q p = m gas \cdot C pm \cdot (T f - T i)

Next Step Substitute values of Variables

∴

Q p = 2kg \cdot 122J/K*mol \cdot (345K - 305K)

Next Step Prepare to Evaluate

∴

Q p = 2 \cdot 122 \cdot (345 - 305)

Next Step Evaluate

∴

Q p = 9760J/kg

LAST Step Convert to Output's Unit

∴

Q p = 9.76kJ/kg

Heat Transfer at Constant Pressure Formula Elements

Variables

Heat Transfer

Heat transfer is the amount of heat that is transferred per unit weight.

Symbol: Q_p

Measurement: Heat of Combustion (per Mass)Unit: kJ/kg

Note: Value can be positive or negative.

Formulas to find Heat Transfer

Mass of Gas

Mass of Gas is the mass on or by which the work is done.

Symbol: m_gas

Measurement: WeightUnit: kg

Note: Value should be greater than 0.

Formulas to find Mass of Gas

Molar Specific Heat Capacity at Constant Pressure

Molar Specific Heat Capacity at Constant Pressure, (of a gas) is the amount of heat required to raise the temperature of 1 mol of the gas by 1 °C at the constant pressure.

Symbol: C_pm

Measurement: Molar Specific Heat Capacity at Constant PressureUnit: J/K*mol

Note: Value should be greater than 0.

Formulas to find Molar Specific Heat Capacity at Constant Pressure

Final Temperature

Final Temperature is the measure of hotness or coldness of a system at its final state.

Symbol: T_f

Measurement: TemperatureUnit: K

Note: Value can be positive or negative.

Formulas to find Final Temperature

Initial Temperature

Initial Temperature is the measure of hotness or coldness of a system at its initial state.

Symbol: T_i

Measurement: TemperatureUnit: K

Note: Value can be positive or negative.

Formulas to find Initial Temperature

Other formulas in Thermal Parameters category

Go Specific Heat Capacity at Constant Pressure using Adiabatic Index

C p = \frac{γ \cdot [R]}{γ - 1}

Go Entropy Change in Isobaric Process given Temperature

δs pres = m gas \cdot C pm \cdot \ln (\frac{T f}{T i})

Go Entropy Change in Isobaric Processin Terms of Volume

δs pres = m gas \cdot C pm \cdot \ln (\frac{V f}{V i})

Go Entropy Change for Isochoric Process given Pressures

δs vol = m gas \cdot C vs \cdot \ln (\frac{P f}{P i})

How to Evaluate Heat Transfer at Constant Pressure?

Heat Transfer at Constant Pressure evaluator uses Heat Transfer = Mass of Gas*Molar Specific Heat Capacity at Constant Pressure*(Final Temperature-Initial Temperature) to evaluate the Heat Transfer, Heat Transfer at Constant Pressure formula is defined as the amount of heat energy transferred to or from a system during a thermodynamic process at constant pressure, typically measured in joules, and is a fundamental concept in thermodynamics and chemical engineering. Heat Transfer is denoted by Q_p symbol.

How to evaluate Heat Transfer at Constant Pressure using this online evaluator? To use this online evaluator for Heat Transfer at Constant Pressure, enter Mass of Gas (m_gas), Molar Specific Heat Capacity at Constant Pressure (C_pm), Final Temperature (T_f) & Initial Temperature (T_i) and hit the calculate button.

FAQs on Heat Transfer at Constant Pressure

What is the formula to find Heat Transfer at Constant Pressure?

The formula of Heat Transfer at Constant Pressure is expressed as Heat Transfer = Mass of Gas*Molar Specific Heat Capacity at Constant Pressure*(Final Temperature-Initial Temperature). Here is an example- 0.00976 = 2*122*(345-305).

How to calculate Heat Transfer at Constant Pressure?

With Mass of Gas (m_gas), Molar Specific Heat Capacity at Constant Pressure (C_pm), Final Temperature (T_f) & Initial Temperature (T_i) we can find Heat Transfer at Constant Pressure using the formula - Heat Transfer = Mass of Gas*Molar Specific Heat Capacity at Constant Pressure*(Final Temperature-Initial Temperature).

Can the Heat Transfer at Constant Pressure be negative?

Yes, the Heat Transfer at Constant Pressure, measured in Heat of Combustion (per Mass) can be negative.

Which unit is used to measure Heat Transfer at Constant Pressure?

Heat Transfer at Constant Pressure is usually measured using the Kilojoule per Kilogram[kJ/kg] for Heat of Combustion (per Mass). Joule per Kilogram[kJ/kg], Calorie (IT) per Gram[kJ/kg] are the few other units in which Heat Transfer at Constant Pressure can be measured.

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Heat Transfer at Constant Pressure Formula

Heat Transfer at Constant Pressure Example

Heat Transfer at Constant Pressure Solution

Heat Transfer at Constant Pressure Formula Elements

Other formulas in Thermal Parameters category

How to Evaluate Heat Transfer at Constant Pressure?

FAQs on Heat Transfer at Constant Pressure

Variable Name