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3 years ago

How long does it take to cook fries

Chemistry

1 answer:

KatRina [158]3 years ago

3 0

Cook them till they start to float and get a light brown tent.

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When the oxide of generic metal M is heated at 25C, only a negligible amount of M is produced. MO2(s) <---> M(s)+O2(g) del

Valentin [98]

Answer:

1. $MO_2(s)+C(s)CO_2(g)+M(s)$

2. $K=3.57x10^{18}$

Explanation:

Hello,

1.) By coupling the given reaction with the formation of carbon dioxide, one states the total reaction as:

$MO_2(s)M(s)+O_2(g)\\C(s)+O_2(g)CO_2(g)$

____________________________________

$MO_2(s)+C(s)CO_2(g)+M(s)$

2.) Now, since we know that the Gibbs free energy for the decomposition of the metal is 288.5kJ/mol and the Gibbs free energy for the formation of carbon dioxide has a value of −394.39kJ/mol, the total Gibbs free energy for this process is:

Δ $G^o=288.5kJ/mol-394.39kJ/mol=-105.89kJ/mol$

So the equilibrium constant is:

$K=exp(-\frac{DeltaG^0}{RT} )\\K=exp(-\frac{-105890J/mol}{8.314J/molK*298.15K} )\\K=3.57x10^{18}$

Best regards.

3 0

3 years ago

Which metal would have more luster, zinc (30) or scandium (21)?

Leya [2.2K]

Answer:

i say zinc would

Explanation:

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3 years ago

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dangina [55]

Answer:

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3 years ago

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Answer:

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Explanation:

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Hey can u answer this pls

Dmitry_Shevchenko [17]