Answer:
Sodium chloride is an ionic compound which makes it stronger and have a higher melting and boiling point. Candle wax is a covalent compound so it has a low melting point.
Explanation:
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A photovoltaic cell is a material that has the ability to convert light into electricity. Many photovoltaic cells are usually combined in order to make a solar panel that can help to power homes. Since light is an electromagnetic wave that can propagate though space and air, it is electromagnetic energy that is used to power a solar cell.
Answer:
is the equation of state of a hypothetical ideal gas
Explanation:
its formula is PV=nRT
Data:
n (number of mols) = ?
V (volume) = 2.50 Liters
If:
1 L → 1000 g
2.50 L → y
y = 1000*2.50 = 2500 g
Therefore:
m (mass) = 2500 g
Now:
Molar Mass (MM) of oxygen = 16 g/mol
Formula:

Solving:

