Answer:
hey, hope this helps :)
Step-by-step explanation:
1. Matter changes state because of physical pressure and temperature; properties do not change.
heating gives molecules energy that causes them to vibrate faster, breaking their bonds and melting.
3. Heat energy that helps break the molecular bonds of a solid is heat of fusion
4. The temperature at which a liquid turns into a gas is the boiling point.
5. sublimation is when a solid turns straight into a gas.
1)360 (400*.9)
2)342 (380*.9)
3)119 (140*.85)
4)28 (35*.8)
Answer:
1. yes
2.no
Step-by-step explanation:
I hope this helped
Answer:
(2p + r + 7) × (p + 9)
Step-by-step explanation:
Length: 2p + r + 7
Width: p + 9
Answer:
10 miles
Step-by-step explanation:
6 in 24 min 6÷24=4
60÷6 =10