Explanation:
Energy is involved in changes of state because the energy of particles of matter determines the matter's state.
Changes of state are physical changes in matter.
Energy must be absorbed to change a liquid to a gas.
Sublimation is solid to gas (no liquid involved).
1 D
2 False
3 True
4 D
Answer:
I say 150 because i aded 850+150= 1000 so yea thats how i got my answer
Explanation:
Answer:
<em>we can say that that in an increasing order, the body is less dense than the glycerine, and the glycerine is less dense than the kerosene.</em>
<em></em>
Explanation:
If the body sinks below the kerosene level to float in glycerine, then it means that the kerosene is denser than glycerine. This is because bodies will float higher in a denser fluid that a less denser fluid. Also, since the body floats in kerosene and glycerine, then the body is less dense than the kerosene and the glycerine. Finally, <em>we can say that that in an increasing order that the body is less dense than the glycerine, and the glycerine is less dense than the kerosene</em>
Answer:
The penny would take 10 seconds to fall.
Explanation:
Hope this helps!!