Answer:
odorless, crystalline, white solid with a sour taste.
Explanation:
Answer:
C.
Explanation:
We get it from the food we eat by mixing it with fluids. Also, you can always look up the answer.
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9.98 g of NH₃ reacts with 23.4 g of O₂ (up to 3 significant figure).
<h3>What is Significant figures ?</h3>
The digits of a number that are used to express it to the required degree of accuracy, starting from the first non-zero digit.
The given chemical equation ;
4NH₃ + 5O₂ ---> 4NO + 6H₂O
Therefore,
4 moles of NH₃ reacts with 5 moles of O₂.
i.e,
68 g of NH₃ reacts with 160g of O₂.
Therefore,
9.98 g of NH₃ reacts with :
= 160/68 x 9.98
= 23.4 g of O₂ (up to 3 significant figure)
Learn more about Significant figures here ;
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<u>Answer:</u> The amount of acetylene gas needed in the reaction is 2.00 moles
<u>Explanation:</u>
We are given:
Moles of water = 2.00 moles
The chemical equation for the reaction of acetylene with oxygen gas follows:
By Stoichiometry of the reaction:
2 moles of water is produced by 2 moles of acetylene gas
So, 2.00 moles of water will be produced by = 
of acetylene gas
Hence, the amount of acetylene gas needed in the reaction is 2.00 moles
