Enthalpy change for different processes.

We know that the enthalpy change for a constant pressure process dh=cpdt.

Can we calculate the enthalpy change for a constant volume process, an isothermal process and an adiabatic process. If so how relevant are these calculations?

Ive been trying to work this out all week and I've never seen any examples asking for the enthalpy change for any other processes other than a constant pressure process

Your help will be greatly appreciated
 
These are 3 valid (good) questions, and the calculations are (very) relevant:
1. a solid that is heated can be considered to be a constant volume process.
2. a chemical reaction proceeding "at constant T" gives the heat of reaction.
3. the throttling process is an adiabatic process with many applications.
 

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