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Rasek [7]
3 years ago
7

How many atoms make up a diatomic molecule?

Chemistry
1 answer:
zalisa [80]3 years ago
6 0
The prefix 'di' means two. Hence two atoms make up a diatomic molecule.
Hope this helps!
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What happens when a nitrogen molecule is formed from two nitrogen atoms?
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Answer:

They form a covalent bond

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3 years ago
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In a mixture of 2 ideal gases, A and B, PA = 0.2PB, what is the mole fraction of A?
Alborosie

Answer:

0.1667

Explanation:

Hello,

Dalton's law defines:

y_i=\frac{P_i}{P_T}

A total pressure is:

P_T=P_A+P_B

So, for A (solving for P_A in the previous equation, we get:

y_A=\frac{P_A}{P_A+P_B}

Since P_A=0.2P_B, we obtain:

y_A=\frac{P_A}{P_A+P_A/0.2}\\y_A=\frac{1}{6}\\y_A=0.1667}

Best regards.

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3 years ago
How many particles are in 12.47 grams of NaCl?
jeka94
If we are talking about moles then the answer to that is 0.22
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3 years ago
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Answer:

d.

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8 0
3 years ago
In which example is a physical property being describe?
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Physical property examples are: color, smell, freezing point, boiling point, melting point, attraction or repulsion to magnets and viscosity and density. If these are not options, please let me know :)

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7 0
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