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alexgriva [62]
3 years ago
6

Which molecule has a dipole moment of 0 d?

Chemistry
1 answer:
fiasKO [112]3 years ago
5 0
The answer is 

a symmetrical molecule.


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Tell uses of nitrogen ​
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Explanation:

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In an exothermic reaction, chemical energy is converted to<br><br> 1.thermal<br> 2. mechanical
Black_prince [1.1K]

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With 143.6 grams of acetylene and an excess amount of oxygen gas, what is the percent yeild of carbon dioxide if the actual yiel
nata0808 [166]

Answer:

93.28%

Explanation:

To solve the percent yield we need to find theoretical yield:

<em>Percent yield = Actual Yield (452.78g) / Theoretical yield * 100</em>

<em />

Theoretical yield is obtained converting the mass of acetylene to moles and using the balanced equation determine the moles of CO₂ produced assuming a 100% of reaction:

<em>Moles acetylene (Molar mass: 26.04g/mol)</em>

143.6g C₂H₂ * (1mol / 26.04g) = 5.515 moles C₂H₂

<em>Moles CO₂:</em>

5.515 moles C₂H₂ * (4 moles CO₂ / 2mol C₂H₂) = 11.029moles CO₂

<em>Mass CO₂ (Molar mass: 44.01g/mol):</em>

11.029moles CO₂  * (44.01g / mol) = 485.39g CO₂ is theoretical yield

Percent yield is:

Percent yield = 452.78g / 485.39g * 100

= 93.28%

8 0
3 years ago
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