The reaction 4al (s) 3o2 (
g. → 2al2o3 (s) δh° = -3351 kj is and therefore heat is by the reaction.

The reaction is exothermic and therefore the heat is released by the reaction.

Explanation:

There are 2 types of reaction based on the heat of the reaction:

For the given chemical reaction:

As, the enthalpy change of the reaction is negative. The reaction is considered as an exothermic reaction.

Hence, the reaction is exothermic and therefore the heat is released by the reaction.

the mass of the cathode increases because ions from the solution get reduced to atoms and become part of the cathode.

explanation:

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consider the reaction below.

 no rx

at 500 k, the reaction is at equilibrium with the following concentrations.

[pci5]= 0.0095 m

[pci3] = 0.020

[ci2] = 0.020 m

what is the equilibrium constant for the given reaction?

0.042

0.42

2.4

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