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mylen [45]
3 years ago
12

How to tell difference between hydrogen gas and oxygen gas?

Chemistry
1 answer:
denis23 [38]3 years ago
6 0
Oxygen elements very useful for breathing source. hydrogen is nonmetallic elements that is normal a colourless highly flammable diatomic gas
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Approximately how many elements combine in different ways to make compounds?
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Dna contains the template needed to copy itself, but it has no catalytic activity in cells. what catalyzes the formation of phos
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4 0
4 years ago
Why is Hawaii made of volcanoes? <br>​
Vadim26 [7]

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Explanation:

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8 0
3 years ago
In an electron dot diagram what is the maximum number of dot surrounding a symbol. A. 8 B.4 C. 2 D.10
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A. 8

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4 0
4 years ago
If one iron nail weighs 2.0 grams, what would be the mass of 6.022 x 10^23 nails?
Maru [420]

Answer:

1.2x10^{24}g

Explanation:

Hello!

In this case, it is possible to treat this problem by using a proportional factor which indicates one iron nail equals 2.0 grams:

\frac{2.00g}{1nail}

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6.022x10^{23}nail*\frac{2.00g}{1nail} \\\\1.2x10^{24}g

Best regards!

8 0
3 years ago
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