The process is taking place at constant temperature and pressure. then which of the following is true?
1)δh= δe
2)δh=tδs
3)δh=0
4)δs=0

What are the primary responsibilities of a chemical engineer involved in "r& d"? develop large scale manufacturing operations discover new products and processes training of new chemists determine products needed by consumers

Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.

Calculate - analysis of compound composed of iron and oxygen yields 174.86 of fe and 75.14g of o. what is the empirical formula for this compound?