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ki77a [65]
3 years ago
11

Workers who build railway tracks often use a process called thermite welding to connect pieces of track. Thermite is a mixture o

f aluminum metal (Al) and ferric oxide (Fe2O3). A worker places thermite between two pieces of track and then burns it to form aluminum oxide (Al2O3) and iron (Fe). As the reaction happens, the air around the mixture becomes so hot that the two pieces of track fuse together.
Is this chemical exothermic or endothermic?
Chemistry
1 answer:
Paladinen [302]3 years ago
4 0

Explanation:

guess

exothermic because of the heat

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What does it mean for a chemical to have a low potential energy?
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Consider the fructose-1,6-bisphosphatase reaction. Calculate the free energy change if the ratio of the concentrations of the pr
Lyrx [107]

Answer:

The free energy change for the reaction at 37.0°C is -8.741 kJ.

Explanation:

The free energy of the reaction is given by :

\Delta G=\Delta G^o+RT\ln K

where,

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We have :

\Delta G^o=-16.7 kJ/mol=-16,700 J/mol

1 kJ = 1000 J

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Ratio of concentrations of the products to the concentrations of the reactants =K = 21.9

\Delta G=-16,700 J/mol+8.314J/K mol\times 310.15 K \ln[21.9]

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3 years ago
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V125BC [204]

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Explanation:

4 0
4 years ago
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Answer:

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4 0
3 years ago
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