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Paha777 [63]
3 years ago
11

Mrs tuckers class is doing an experiment they fill up a cup with ice water they measure the temperature of both the water and th

e classroom after one hour . what will mrs tucker observe about the temperature of ice water after one hour
A. The temperature will increase
B. The temperature Will remain the same
C. The temperature will decrease greatly
D. The temperature Will decrease slightly
​
Chemistry
1 answer:
ELEN [110]3 years ago
8 0
C.


Hope this is the correct answer
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What mass of oxygen is needed to combust and produced 6.4 moles of carbon dioxide gas?
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Which describes the earth as an open system with respect to energy?
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Answer:

Explanation:

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2 years ago
When 7.085 grams of a hydrocarbon, CxHy, were burned in a combustion analysis apparatus, 21.71 grams of CO2 and 10.37 grams of H
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Answer:

- Empirical:

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- Molecular:

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Explanation:

Hello,

In this case, based on the information regarding the combustion, the moles of carbon turn out:

n_C=21.71gCO_2*\frac{1molCO_2}{44gCO_2}*\frac{1molC}{1molCO_2}=0.493molC

Moreover, the moles of hydrogen:

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C_3H_7

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C_6H_{14}

Which is hexane.

Best regards.

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