Respuesta :
Enthalpy= +17.87 KJ/mole.
What is the enthalpy?
- Enthalpy is a system's thermodynamic attribute. It is made up of the system's pressure, volume, and internal energy put together. It displays both the ability to produce heat and perform the non-mechanical activity. H stands for enthalpy and h for specific enthalpy.
- Enthalpy examples include fire, solution heat, boiling, chemical cold packs, and freezing.
- You are ready to determine the enthalpy of reaction once you have m, the mass of your reactants, s, the specific heat of your product, and T, the temperature change from your reaction. To solve, just enter your values into the formula H = m x s x T and multiply.
- It is common to refer to enthalpy and internal energy as state functions. This means that they are independent of the system's past behavior and instead depend only on the system's current state, including its pressure, temperature, composition, and amount of substance.
Calculate the enthalpy of solution for ammonium nitrate:
The enthalpy of solution is the enthalpy change when one mole of a substance dissolves completely in water.
One mole of ammonium nitrate = 80g.
For,
1.5g=0.335KJ.
1g=?
For,
1g=[tex]\frac{0.335*1}{1.5} KJ.[/tex]
For,
80g=[tex]\frac{0.335}{1.5} 80 KJ.[/tex]
For, 1 mole =1.87KJ/mole.
The enthalpy of the solution for ammonium nitrate is positive because it involves a drop in temperature.
Therefore, Enthalpy= +17.87 KJ/mole.
To learn more about Enthalpy, refer to:
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