Question

Water is in a pot on the stove boiling at constant temperature. The water is the system

	a.	∆U + ∆Ek = Q
	b.	∆U = -∆EP
	c.	∆U = Q
	d.	∆U + ∆Ek + ∆EP = Q-W
	e.	W = Q

1. A system in which does not allow heat to transfer across the system boundary (Q=0) is known as

   		Adiabatic
   		Transient
   		Differential
   		Stead state
   		Differential

2. The internal energy change of a system cannot be assumed to be zero if

   	a.	There is no temperature change
   	b.	There is no chemical reaction
   	c.	There is a phase change
   	d.	All of the above
   	e.	a and b only

Answer 1

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