Answer:
Non-example – creating energy, losing energy. Energy sources - The places we get energy from for heat and electricity. Examples – coal, sun, wind. Non-example – socket, batteries. Energy transformation - The movement of energy where the energy changes forms.
Explanation:
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Answer:
V = 172.28 mL
Explanation:
density is mass divided by volume
p = density
m = mass
V = volume
p = m/v
V = m/p
V = 392.8/2.28
V = 172.28 mL
Answer:
The number of formula units of silver nitrate is
.
Explanation:
Moles of silver nitrate = n = 7.65 mol
1 mole =
atoms/ molecules/ ions
Let the number of formula units of silver nitrate be N.

The number of formula units of silver nitrate is
.
Popcorn and salt as the mixtures are substances which are formed by mixing other substances