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Oksana_A [137]
2 years ago
5

Relate the following structures to your body organs_ walls: _houses_: bricks_:_ a room_: rooms​

Chemistry
1 answer:
alexgriva [62]2 years ago
4 0

Answer:

what is this I am not getting which type of this question you have taken from where

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2H2 + O2 --&gt; 2 H2O<br> +<br> How many moles of oxygen is required to produce 13.3 moles of water?
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Answer:

Explanation:

Let the number of moles of oxygen = x

2H2 + O2 --> 2 H2O

           x             13.3

Since the balance number for oxygen is 1 and the balance number for water is 2, you must set up a proportion. (Those balance numbers represent the number of moles).

1/x = 2 / 13.3                      Cross Multiply

2*x = 13.3                          Divide both sides by 2

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x = 6.65

You need 6.65 moles of oxygen.

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What is the specific heat of a substance if a mass of 10.0 kg increases in temperature from 10.0°C to 70.0°C when 2,520 J of hea
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