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daser333 [38]
3 years ago
12

Which of those is a balanced chemical equation? (super important)

Chemistry
2 answers:
alexgriva [62]3 years ago
7 0

I believe C is the balanced equation.

zzz [600]3 years ago
5 0

C is the answer i think

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The piece of evidence would suggest an unknown substance is an ionic compound is that it conducts electricity when dissolved in water. 
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Which of the following is true during an exothermic reaction?
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An exothermic reaction is a chemical reaction that releases energy by light or heat.
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The air in a bicycle tire is bubbled through water and collected at 25 ∘C. If the total volume of gas collected is 5.30 L at a t
Klio2033 [76]

<u>Answer:</u> The number of moles of gas in bicycle tire is 0.210 moles

<u>Explanation:</u>

To calculate the moles of gas, we use the equation given by ideal gas which follows:

PV=nRT

where,

P = pressure of the gas = 737 torr

V = Volume of the gas = 5.30 L

T = Temperature of the gas = 25^oC=[25+273]K=298K

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Putting values in above equation, we get:

737Torr\times 5.30L=n\times 62.364\text{ L Torr }mol^{-1}K^{-1}\times 298K\\\\n=\frac{737\times 5.30}{62.364\times 298}=0.210mol

Hence, the number of moles of gas in bicycle tire is 0.210 moles

6 0
4 years ago
What are examples of deposition
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withering?

Explanation:

3 0
3 years ago
When 92.0 g of ethanol (c2h5oh are vaporized at its boiling point of 78.3°c, it requires 78.6 kj of energy. what is the approxim
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The solution would be like this for this specific problem:

<span>(78.6 kJ) / (92.0 g / (46.0684 g C2H5OH/mol)) = 39.4 kJ/mol </span>

<span>39.3 </span>

So the approximate molar heat of vaporization of ethanol in kJ/mol is 39.3.

I hope this answers your question.

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3 years ago
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