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Ray Of Light [21]
3 years ago
9

I’m trying to answer this question

Chemistry
1 answer:
stepladder [879]3 years ago
8 0

Answer:

her speed is constant as she runs, and her av. speed is 3 m/sec

Explanation:

av speed is total distance divided by total time, so 150/50=3

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You have 15.42g of C2H6. How many moles of H2O can be made?
Amiraneli [1.4K]

<u>Answer:</u> The moles of water produced are 1.54 moles.

<u>Explanation:</u>

To calculate the number of moles, we use the equation:

\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}

Given mass of ethane = 15.42 g

Molar mass of ethane = 30.07 g/mol

Putting values in above equation, we get:

\text{Moles of ethane}=\frac{15.42g}{30.07g/mol}=0.513mol

The chemical equation for the combustion of ethane follows:

2C_2H_6+5O_2\rightarrow 4CO2+6H_2O

By Stoichiometry of the reaction:

2 moles of ethane produces 6 moles of water

So, 0.513 moles of ethane will produce = \frac{6}{2}\times 0.513=1.54mol of water

Hence, the moles of water produced are 1.54 moles.

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4 years ago
Using the<br><br>Cahn-Ingold-Prelog
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una ma parra quen est a qui 23^5(-8)

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