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Biblioteka

Energetics and Thermodynamics A2

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Posljednje ažuriranje over 6 years ago
17
2
Pitanje 4
4.

Suggest the trend in the first electron affinity of the elements in Group 17. Explain your answer.

4
2
Pitanje 1
1.

Complete the table.

1
Pitanje 2
2.

Explain why ΔH4 is greater than ΔH3.

1
Pitanje 3
3.

What names are given to the enthalpy changes ΔH6 and ΔH7?

Pitanje 5
5.

Use the equation and the data given in the table to calculate ΔGo for the reaction at 25 °C.

4
Pitanje 6
6.
2
Pitanje 7
7.

Use the data in the table to calculate the standard enthalpy change for reaction 1.

2
Pitanje 8
8.

Calculate entahlpy change of formation of HCO3-(aq)

1
Pitanje 9
9.

Calculate standard enthalpy change for reaction 3.

2
Pitanje 10
10.

Explain your answer.

2
Pitanje 11
11.

Suggest with reason.

3
Pitanje 12
12.

Describe and explain the variation in the thermal stabilities of the carbonates of the Group 2

elements.

1
Pitanje 13
13.

Suggest and explain a reason why sodium carbonate is more stable to heat than magnesium carbonate.

1
Pitanje 14
14.

Write equation for decomposition.

1
Pitanje 15
15.

Which one will decompose at lower temperature? Explain your answer.

3
Pitanje 16
16.

Calculate lattice energy.

1
Pitanje 17
17.

Give reason for your answer.