The sum of enthalpy changes during a chemical reaction of more than one step is zero. This is called:
A. Charles law
B. Faraday’s law
C. Avogadro’s law
D. Hess’s law
Answer:D
The sum of enthalpy changes during a chemical reaction of more than one step is zero. This is called:
A. Charles law B. Faraday’s law C. Avogadro’s law D. Hess’s law