3 years ago

Which statement describes potential energy? A. energy of motion B. stored energy C. energy due to heat D. used energy

Chemistry

2 answers:

Brrunno [24]3 years ago

8 0

A. Energy of motion describes potential energy

Inessa [10]3 years ago

7 0

B is the answer.

potential energy is the energy held by an object because of its position relative to other objects, stresses within itself, its electric charge, or other factors.

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Consider the reactionI2(g) + Cl2(g)2ICl(g)Using standard thermodynamic data at 298K, calculate the entropy change for the surrou

Georgia [21]

We know,

$\Delta H_{I_2(g)}=62.438\ KJ/mol\\\\\Delta H_{Cl_2(g)}= 0.0\ KJ/mol\\\\\Delta H_{ICl(g)}=17.78\ KJ/mol$

For given reaction, $I_2(g)+Cl_2(g)\ -->\ 2ICl(g)$

$\Delta H_{rxn}=2\Delta H_{ICl(g)}-\Delta H_{I_2(g)}-\Delta H_{Cl_2(g)}\\\\\Delta H_{rxn}=2(17.78)-0-62.438\ KJ/mol\\\\\Delta H_{rxn}=-26.878\ KJ/mol$