Energetics

Question 1 of 23

1

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Lattice energy is the energy change when 1mol of an compound is formed from its ions under

Explanation

Question 2 of 23

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Values of lattice energy are

Select one of the following:

always positive
always negative
can be negative or positive

Explanation

Question 3 of 23

1

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Enthalpy change of atomisation is the enthalpy change when 1mol of gaseous ions is formed from the in its

Explanation

Question 4 of 23

1

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First electron affinity is the enthalpy change when one is added to each atom in 1 mol to form 1 mol of -1 gaseous .

Explanation

Question 5 of 23

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What are the factors that affect lattice enthalpy?

Select one or more of the following:

Charge on the ions
Amount of ions present
Temperature
Radius of the ions

Explanation

Question 6 of 23

1

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The ( higher, lower ) the charge on the ion the ( higher, lower ) the lattice enthalpy.

Explanation

Question 7 of 23

1

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Enthalpy of hydration is the change when 1 mol of gaseous ions completely dissolve in

Explanation

Question 8 of 23

1

Click on each orange point and select the correct answer.

Label the Born Haber Cycle with the process occurring at each stage.

{"7.73295_15.8038":[{"id":18815930,"answer":"Lattice Enthalpy","x":7.73295,"y":15.8038},{"id":18815931,"answer":"1st Electron Affinity","x":7.73295,"y":15.8038},{"id":18815932,"answer":"Enthalpy of Atomisation","x":7.73295,"y":15.8038},{"id":18815933,"answer":"1st Ionisation Energy","x":7.73295,"y":15.8038},{"id":18815934,"answer":"2nd Ionisation Energy","x":7.73295,"y":15.8038},{"id":18815935,"answer":"Enthalpy of Formation","x":7.73295,"y":15.8038}],"8.09659_38.9646":[{"id":18815924,"answer":"Lattice Enthalpy","x":8.09659,"y":38.9646},{"id":18815925,"answer":"1st Electron Affinity","x":8.09659,"y":38.9646},{"id":18815926,"answer":"Enthalpy of Atomisation","x":8.09659,"y":38.9646},{"id":18815927,"answer":"1st Ionisation Energy","x":8.09659,"y":38.9646},{"id":18815928,"answer":"2nd Ionisation Energy","x":8.09659,"y":38.9646},{"id":18815929,"answer":"Enthalpy of Formation","x":8.09659,"y":38.9646}],"4.82386_60.218":[{"id":18815918,"answer":"Lattice Enthalpy","x":4.82386,"y":60.218},{"id":18815919,"answer":"1st Electron Affinity","x":4.82386,"y":60.218},{"id":18815920,"answer":"Enthalpy of Atomisation","x":4.82386,"y":60.218},{"id":18815921,"answer":"1st Ionisation Energy","x":4.82386,"y":60.218},{"id":18815922,"answer":"2nd Ionisation Energy","x":4.82386,"y":60.218},{"id":18815923,"answer":"Enthalpy of Formation","x":4.82386,"y":60.218}],"65.5511_18.5286":[{"id":18815905,"answer":"Lattice Enthalpy","x":65.5511,"y":18.5286},{"id":18815906,"answer":"1st Electron Affinity","x":65.5511,"y":18.5286},{"id":18815907,"answer":"Enthalpy of Atomisation","x":65.5511,"y":18.5286},{"id":18815909,"answer":"1st Ionisation Energy","x":65.5511,"y":18.5286},{"id":18815910,"answer":"2nd Ionisation Energy","x":65.5511,"y":18.5286},{"id":18815911,"answer":"Enthalpy of Formation","x":65.5511,"y":18.5286}],"8.27841_80.654":[{"id":18815912,"answer":"Lattice Enthalpy","x":8.27841,"y":80.654},{"id":18815913,"answer":"1st Electron Affinity","x":8.27841,"y":80.654},{"id":18815914,"answer":"Enthalpy of Atomisation","x":8.27841,"y":80.654},{"id":18815915,"answer":"1st Ionisation Energy","x":8.27841,"y":80.654},{"id":18815916,"answer":"2nd Ionisation Energy","x":8.27841,"y":80.654},{"id":18815917,"answer":"Enthalpy of Formation","x":8.27841,"y":80.654}],"87.5511_59.4005":[{"id":18815900,"answer":"Lattice Enthalpy","x":87.5511,"y":59.4005},{"id":18815901,"answer":"1st Electron Affinity","x":87.5511,"y":59.4005},{"id":18815902,"answer":"Enthalpy of Atomisation","x":87.5511,"y":59.4005},{"id":18815903,"answer":"1st Ionisation Energy","x":87.5511,"y":59.4005},{"id":18815904,"answer":"2nd Ionisation Energy","x":87.5511,"y":59.4005},{"id":18815908,"answer":"Enthalpy of Formation","x":87.5511,"y":59.4005}]}

Explanation

Question 9 of 23

1

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is the heat change when 1 mol of an ionic substance dissolves in water

Explanation

Question 10 of 23

1

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An ionic lattice dissloves in water because water molecules disrupt the attraction between and in the lattice. Cations become surrounded by the part of the water molecules. Anions become surrounded by the part of the water molecules.

Explanation

Question 11 of 23

1

Enthalpy of Hydration is ...

Select one of the following:

always positive
always negative
sometimes positive, sometimes negative

Explanation

Question 12 of 23

1

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Entropy is the measure of the of a .

Explanation

Question 13 of 23

1

A disorder increases entropy...

Select one of the following:

decreases
increases
can't tell
is unchanged

Explanation

Question 14 of 23

1

Entropy decreases as the solid becomes more complex.

Select one of the following:

True
False

Explanation

Question 15 of 23

1

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Entropy from solid to liquid to gas because molecules become .

Explanation

Question 16 of 23

1

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There is only a small jump in entropy from ice to water despite the state change as the means water is still relatively .

Explanation

Question 17 of 23

1

Which factors cause a change in entropy

Select one or more of the following:

temperature change
addition of a catalyst
change in volume
number of gas molecules
state change
concentration change

Explanation

Question 18 of 23

1

If Gibbs Free Energy is 0 this means

Select one of the following:

the substance is an element or the reaction is at equilibrium
the reaction is spontaneous
work must be supplied from the surroundings for the reaction to occur

Explanation

Question 19 of 23

1

If Gibbs Free Energy is less than 0 this means...

Select one of the following:

the substance is an element or the reaction is at equilibrium
the reaction is spontaneous
work must be supplied from the surroundings for the reaction to occur

Explanation

Question 20 of 23

1

If Gibbs Free Energy is greater than 0 this means...

Select one of the following:

the substance is an element of the reaction is at equilibrium
the reaction is spontaneous
work must be supplied from the surrounding for the reaction to occur

Explanation

Question 21 of 23

1

	Created by Megan Thomas almost 7 years ago

Year 13 Chemistry Quiz on Energetics, created by Megan Thomas on 07/10/2017.

Question 1 of 23

Fill the blank spaces to complete the text.

Lattice energy is the energy change when 1mol of an compound is formed from its ions under

Explanation

Question 2 of 23

Values of lattice energy are

Select one of the following:

Explanation

Question 3 of 23

Fill the blank spaces to complete the text.

Enthalpy change of atomisation is the enthalpy change when 1mol of gaseous ions is formed from the in its

Explanation

Question 4 of 23

Fill the blank spaces to complete the text.

First electron affinity is the enthalpy change when one is added to each atom in 1 mol to form 1 mol of -1 gaseous .

Explanation

Question 5 of 23

What are the factors that affect lattice enthalpy?

Select one or more of the following:

Explanation

Question 6 of 23

Select from the dropdown lists to complete the text.

The higher lower( higher, lower ) the charge on the ion the higher lower( higher, lower ) the lattice enthalpy.

Explanation

Question 7 of 23

Fill the blank spaces to complete the text.

Enthalpy of hydration is the change when 1 mol of gaseous ions completely dissolve in

Explanation

Question 8 of 23

Click on each orange point and select the correct answer.

Label the Born Haber Cycle with the process occurring at each stage.

Explanation

Question 9 of 23

Fill the blank space to complete the text.

is the heat change when 1 mol of an ionic substance dissolves in water

Explanation

Question 10 of 23

Fill the blank spaces to complete the text.

An ionic lattice dissloves in water because water molecules disrupt the attraction between and in the lattice. Cations become surrounded by the part of the water molecules. Anions become surrounded by the part of the water molecules.

Explanation

Question 11 of 23

Enthalpy of Hydration is ...

Select one of the following:

Explanation

Question 12 of 23

Fill the blank spaces to complete the text.

Entropy is the measure of the of a .

Explanation

Question 13 of 23

A disorder increases entropy...

Select one of the following:

Explanation

Question 14 of 23

Entropy decreases as the solid becomes more complex.

Select one of the following:

Explanation

Question 15 of 23

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Entropy from solid to liquid to gas because molecules become .

Explanation

Question 16 of 23

Fill the blank spaces to complete the text.

There is only a small jump in entropy from ice to water despite the state change as the means water is still relatively .

Explanation

Question 17 of 23

Which factors cause a change in entropy

Select one or more of the following:

Explanation

Question 18 of 23

If Gibbs Free Energy is 0 this means

Select one of the following:

Explanation

Question 19 of 23

If Gibbs Free Energy is less than 0 this means...

Select one of the following:

Explanation

Question 20 of 23

If Gibbs Free Energy is greater than 0 this means...

The ( higher, lower ) the charge on the ion the ( higher, lower ) the lattice enthalpy.