Answer: separate a heterogeneous mixture.
Explanation: when a solid is mixed with a liquid and remains in souls chucks, then the mixture is heterogeneous. This is the case with coffee grounds in a cup of coffee.
Answer:
ΔU = - 168 KJ
Explanation:
- ΔU = Q + W.....................first law
∴ W = - 61 KJ........A system performs on its surroundings
∴ Q = - 107 KJ,,,,,,A system release heat
⇒ ΔU = - 107 KJ - 61 KJ = - 168 KJ
Feldspar<span>, A</span>ugite<span>, H</span>ornblende, and Zircon<span>.
Hope this helped!!!</span>