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marishachu [46]
3 years ago
7

What is the value for AG at 100 Kif AH = 27 kJ/mol and AS = 0.09 kJ/(mol-K)?

Chemistry
1 answer:
REY [17]3 years ago
8 0

Answer:

ΔG =   18KJ/mol

Explanation:

Given data:

ΔG = ?

ΔS = 0.09 Kj/mol.K

ΔH = 27 KJ/mol

Temperature  = 100 K

Solution:

Formula:

ΔG = ΔH - TΔS

ΔS = entropy

ΔH = enthalpy

by putting values,

ΔG =  27 KJ/mol - 100K(0.09 Kj/mol.K)

ΔG =  27 KJ/mol - 9 KJ/mol

ΔG =   18KJ/mol

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Answer: Product

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In the equation. C + O2 --------> CO2

                             reactant------> product

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Manganese commonly occurs in nature as a mineral. The extraction of manganese from the carbonite mineral rhodochrosite, involves
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This is an incomplete question, here is a complete question.

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2MnCO_3(s)+O_2(g)\rightarrow 2MnO_2(s)+2CO_2(g)

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Explanation :

The given two chemical reactions are:

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First we are multiplying reaction 1 by 3, and reaction 2 by 2, we get:

(1)

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The  MnO_2 is common on both side, by cancelling it, we get:

The net chemical equation for the production of manganese is:

6MnCO_3(s)+3O_2(g)+8Al(s)\rightarrow 6CO_2(g)+6Mn(s)+4Al_2O_3(s)

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