Answer:
An ice pack uses friction and the chemicals inside make it mix to make it cold
Explanation:
The <span>Anaphase stage
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Explanation:
Formula to calculate standard electrode potential is as follows.

= 0.535 - 1.065
= - 0.53 V
Also, it is known that relation between
and K is as follows.

ln K =
Substituting the given values into the above formula as follows.
ln K =
=
ln K = -41.28
K =
= 
Thus, we can conclude that the value of the equilibrium constant for the given reaction is
.
Answer:
1,2,3
Explanation:
Heat gain implies that heat is absorbed by the system in order to make the stated phase transition possible.
Before a liquid changes to gas, intermolecular forces in the liquid are broken by energy supplied as heat.
Also, transition from solid to liquid requires energy to break intermolecular bonds.
Finally, sublimation requires input of energy in the form of heat.