Can a tank of oxygen gas ever be half empty? Explain

Chemistry

2 answers:

Ksivusya [100]3 years ago

5 0

Yes they can. That's why they sell refills for them

Tju [1.3M]3 years ago

5 0

<span>Yes, they can be half empty. Oxygen canister's contain different types of oxygen some are very pure. They are filled at very high pressures.</span>

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How many moles of carbon are there in a 0.70 g (3.5 carat) diamond?

maksim [4K]

Answer:

3.5 x 10^22 moles of carbon are there in a 0.70 g (3.5 carat) diamond.

Explanation:

In case of diamond, the number of atoms is the same as the number of molecules.

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Conversion of minus 1 coulomb meter in debye

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Answer:

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Explanation:

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2 years ago

Why does burned toast taste so bad? Is it a chemical or physical change?

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2 years ago

Read 2 more answers

10. A 2.36-gram sample of NaHCO3 was completely decomposed in an

Airida [17]

Answer:

0.79 g

Explanation:

Let's introduce a strategy needed to solve any similar problem like this:

Apply the mass conservation law (assuming that this reaction goes 100 % to completion): the total mass of the reactants should be equal to the total mass of the products.

Based on the mass conservation law, we need to identify the reactants first. Our only reactant is sodium bicarbonate, so the total mass of the reactants is:

$m_r=m_{NaHCO_3}=2.36 g$