a system absorbs 225 j of heat from the surroundings and delivers 645 j of work. claculate the change in internal energy, δe, of the system.

What are the costs and benefits of leaving home after high school?

How do you work out 21.3-8= show your working. plz

Healing after the death of a loved one is most difficult when: a) the bereaved is not allowed to mourn in the way he or she wishes b) the death is a long, protracted one c.) a period of grief has already elapsed d) no other mourners are present