Asked by: Badria Garridosciencechemistry
What is the difference between enthalpy and molar enthalpy?
Last Updated: 17th October, 2021
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Similarly, it is asked, what is the difference between enthalpy and standard enthalpy?
Remember that an enthalpy change is the heat evolved or absorbed when a reaction takes place at constant pressure. The standard enthalpy change of a reaction is the enthalpy change which occurs when equation quantities of materials react under standard conditions, and with everything in its standard state.
Beside above, what is enthalpy in simple terms? Enthalpy. When a substance changes at constant pressure, enthalpy tells how much heat and work was added or removed from the substance. Enthalpy is similar to energy, but not the same. When a substance grows or shrinks, energy is used up or released.
Keeping this in view, what is molar enthalpy?
Molar enthalpy of vaporization is the amount of energy needed to change one mole of a substance from the liquid phase to the gas phase at constant temperature and pressure. The usual unit is kilojoules per mole (kJ/mol).
How do you find enthalpy?
Use the formula ∆H = m x s x ∆T to solve.Once you have m, the mass of your reactants, s, the specific heat of your product, and ∆T, the temperature change from your reaction, you are prepared to find the enthalpy of reaction. Simply plug your values into the formula ∆H = m x s x ∆T and multiply to solve.