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arlik [135]
3 years ago
15

Help me please (~ ̄. ̄)~​

Chemistry
2 answers:
zepelin [54]3 years ago
7 0

Answer:

Hello there buddy

Your answer is

All the above

Hope it’s helps you buddy

Explanation:

~ZaynTheEpicFoxy

Stels [109]3 years ago
6 0
4) All Are correct. :P
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Acetylene gas is often used in welding torches because of the very high heat produced when it reacts with oxygen gas, producing
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Answer:

0.225 mol = 0.23 mol to 2 significant figures

Explanation:

Calculate the moles of oxygen needed to produce 0.090 mol of water

The equation of the reaction is given as;

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From the equation of the reaction;

5 mol of O2 produces 2 mol of H2O

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x = 0.090 * 5 / 2

x = 0.225 mol

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