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3 years ago

11

A reaction of a hydrocarbon, in which carbon dioxide and water are produced, is classified as a

1 answer:

klasskru [66]3 years ago

5 0

This is a combustion reaction. Any reaction in which a hydrocarbon decomposes into carbon dioxide and water is classified as combustion. The energy used for the decomposition usually comes from intense heat, which is why combustion of a hydrocarbon almost always is associated with a source of fire.

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Calculate the standard entropy of vaporization of ethanol, C2H5OH, at 285.0 K, given that the molar heat capacity at constant pr

MArishka [77]

Answer: The standard entropy of vaporization of ethanol is 0.275 J/K

Explanation:

$C_2H_5OH(l)\rightleftharpoons C_2H_5OH(g)$

Using Gibbs Helmholtz equation:

$\Delta G=\Delta H-T\Delta S$

For a phase change, the reaction remains in equilibrium, thus $\Delta G=0$

$\Delta H=T\Delta S$

Given: Temperature = 285.0 K

$\Delta H=78.3J/mol$

Putting the values in the equation:

$78.3J=285.0K\times \Delta S$

$\Delta S=0.275J/K$

Thus the standard entropy of vaporization of ethanol is 0.275 J/K

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3 years ago

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11111nata11111 [884]

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3 years ago

If 200.0 grams of aluminum chloride react with calcium, how many moles of Al are produced?

irina [24]

1.49 moles of Al will be produced. Hope this helps you.

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The half-life of radon-222 is 3.8 days. How many grams of radon-222 remain

Ne4ueva [31]

I think it’s B but not 100% sure

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2 years ago

Perform the following conversion: (plz show work)<br> 1.31km = _______m

PilotLPTM [1.2K]

If this is meters, then it’d be 1310.

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2 years ago