2 years ago

Select the correct answer.

1 answer:

7 0

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A gas occupies 900 mL at a temperature of 27 °C. What is the volume at <br><br> 132 °C?

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Answer:

4400 ml

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2 years ago

What is the period number in which helium is found

julsineya [31]

Answer:

Helium is the second element on the periodic table. It is located in period 1 and group 18 or 8A on the righthand side of the table. This group contains the noble gases, which are the most chemically inert elements on the periodic table. Each He atom has two protons and usually two neutrons and two electrons.

Explanation:

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1. How many moles of hydrogen are needed to completely react with two moles of nitrogen?

Arlecino [84]

N2 + 3H2 --> 2NH3

Answer: 6 moles of hydrogen are needed to react with two moles of nitrogen.

Explanation:

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2 years ago