3 years ago

Which of these processes occur when water changes to ice?

Chemistry

2 answers:

maxonik [38]3 years ago

6 0

A Physical reaction occurs as we freeze the water into ice, and physical changes are changes that can be undone.

kramer3 years ago

6 0

Waht are the options

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3 years ago

Part iii. Is the dissolution reaction of ammonium nitrate enthalpy favored?

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Answer:

No, it is not enthalpy favored since the chemical system gains energy.

Explanation:

The dissolution of ammonium nitrate in water is an endothermic process.

Endothermic process requires the system to gain energy to can dissolve the particles in water.

So, the reaction is not enthalpy favored.

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Marysya12 [62]

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M = 16.8 M

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<u>Data:</u> HNO3

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Molarity is represented by the letter M and is defined as the amount of solute expressed in moles per liter of solution.

$M=\frac{moles}{solution volume}$

The data is replaced in the given equation:

$M=\frac{12.6 mol}{0.75L}=16.8\frac{mol}{L}$

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