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Elodia [21]
3 years ago
10

Define a compound? Plss help me guys

Chemistry
1 answer:
aniked [119]3 years ago
6 0

A compound is a substance formed when two or more chemical elements are chemically bonded together.

Example: Pure water is a compound made from two elements - hydrogen and oxygen.

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How to calculate density (what’s the formula) <br> density=_ divided by _
Sphinxa [80]

Answer:

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Explanation:

density =  \frac{m}{v}

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4 years ago
What is in with those numbers? H2O?
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Answer:

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3 years ago
7. Assume that you have collected 867 L of nitrogen gas at STP. What is the mass of the nitrogen gas?
jekas [21]

Answer:

1083.6 g

Explanation:

At STP, 1 mol of any given mass will occupy 22.4 L.

With the information above in mind we can<u> calculate how many moles of nitrogen gas (N₂) are there in 867 L</u>:

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Finally we convert 38.7 moles of N₂ into grams, using its molar mass:

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6 0
3 years ago
I have no idea what to do please help me quickly!
Irina18 [472]

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The farther away the planet the slower the revolution around the earth. the closer the faster.

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6 0
3 years ago
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Which subatomic particle is the identity of the atom and why?
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