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anyanavicka [17]
3 years ago
10

Which word or phrase from the article provide the BEST context clue to the meaning of "organic"?

Chemistry
1 answer:
Liula [17]3 years ago
6 0

Answer:

Um, where is the article?

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A) It contains a lot of matter.

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How many molecules of water are there in 1 gram of water​
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Estimate ΔG°rxn for the following reaction at 775 K. 2Hg(g) + O2(g) → 2HgO(s) ΔH°= -304.2 kJ; ΔS° = -414.2 J/K
hichkok12 [17]

Answer:

\Delta G^0_{rxn}=16.81kJ

Explanation:

Hello!

In this case, since the Gibbs free energy of any process is related with the enthalpy change, temperature and entropy change as shown below:

\Delta G^0=\Delta H^0-T\Delta S^0

For a chemical reaction it is simply modified to:

\Delta G^0_{rxn}=\Delta H^0_{rxn}-T\Delta S^0_{rxn}

Thus, since the enthalpy of reaction is given as -304.2 kJ and the entropy as -414.2 J/K (-0.4142 kJ/K), at 775 K the Gibbs free energy of reaction turns out:

\Delta G^0_{rxn}=-304kJ-775K*(-0.4142\frac{kJ}{K} )\\\\\Delta G^0_{rxn}=16.81kJ

Whose result means this is a nonspontaneous reaction.

Best regards!

3 0
3 years ago
Choose the best classification of the reactions C6H12O6 (g) + 6O2 yields 6CO2 + 6H2O
marta [7]
Combustion reaction because it produces water and carbon dioxide
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A balloon filled with CO, at STP has 0.25 mol
Anika [276]

Answer:

.56 liters

Explanation:

(.025 mol) * (22.4 L/1 mol) = .56 L

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3 years ago
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