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aniked [119]
3 years ago
10

The Moon’s appearance changes during its ________ around Earth. These changes are called ____________________.

Chemistry
1 answer:
Daniel [21]3 years ago
4 0

Answer:

The Moon’s appearance changes during its orbit around Earth. These changes are called phases.

Explanation:

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Answer:

c

Explanation:

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3 years ago
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Density is a derived unit of mass / volume.
lapo4ka [179]

Answer:

1kg/L

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2 years ago
Which element has exactly five electrons in the highest principal energy level (the outer shell)?
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3 years ago
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What mass of solute should you measure out in order to make 1,000 mL of a 0.3 M solution of magnesium phosphate Mg3(PO4)2?
vivado [14]

Hey there !

Molecular Weight: 262.86 g/mol

Volume in liters : 1,000 mL => 1,000 / 1000 => 1 L

Number of moles of solution :

number of moles = volume x molarity

number of moles = 1 x 0.3  => 0.3 moles

Therefore:

1 mole Mg₃(PO₄)₂ ------------------- 262.86 g

0.3 moles ----------------------------- mass of Mg₃(PO₄)₂  ??

mass of Mg₃(PO₄)₂ = 0.3 x 262.86 / 1

mass of Mg(PO₄)₂ => 78.858 g

Hope this helps!

7 0
3 years ago
The MSDS for benzene indicates that it is a clear liquid that has a substantial vapor pressure. It has a health rating of 2, a f
sattari [20]

Answer:

Benzene must be kept away from flames.

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Edge2020

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