ENTHALPY

Question 1

What can ENTHALPY for many cases be taken as?

Answer 1

The TOTAL energy change of system since any small difference is the work done

Question 2

What mean when ENTHALPY =state function?

Answer 2

That E= depends only on initial and final enthalpy of system and not on any intermediate values arising from the reaction pathways

Question 3

What is exoteric process??

Answer 3

ENTHALPY = less than 0 : process in which heat = transferred from SYSTEM to THE SURROUNDINGS

Question 4

What is QUANTITATIVE MATERIAL, involved in change, proportional to??

Answer 4

The ENTHALPY change for a process

Question 5

What is the heat capacity of material?

Answer 5

Amt of heat req to raise temp of material by 1 C

Question 6

What does heat capacity show?

Answer 6

How much heat a material will absorb for certain temp change

Question 7

How is enthalpy(H) of a system defined?

Answer 7

The change in ENTHALPY is heat transferred to/ from a system at constant pressure