Subsection 5.1. Exothermic and endothermic reactions for Chemistry, O Level - revisedeck

5.1. Exothermic and endothermic reactions

A subsection of Chemistry, 5070, through 5. Chemical energetics

Listing 10 of 84 questions

Ammonium nitrate dissolves in water. H2O NH4NO3NH4NO3∆H = +25 kJ / mol Which statements are correct?

5070_w19_qp_12

MCQ

2019

Paper 1, Variant 2

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When water is liquid, it ionises slightly. H2OH++ OH–The forward reaction is endothermic. When the temperature of water is increased, which changes take place?

5070_w20_qp_11

MCQ

2020

Paper 1, Variant 1

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When water is liquid, it ionises slightly. H2OH++ OH–The forward reaction is endothermic. When the temperature of water is increased, which changes take place?

5070_w20_qp_12

MCQ

2020

Paper 1, Variant 2

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Which process is endothermic?

5070_w21_qp_11

MCQ

2021

Paper 1, Variant 1

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The reaction of hydrogen with chlorine to form gaseous hydrogen chloride is exothermic. Which statement is correct?

5070_w21_qp_11

MCQ

2021

Paper 1, Variant 1

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The energy profile diagram of a chemical reaction is shown...

5070_w21_qp_12

MCQ

2021

Paper 1, Variant 2

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Which two processes are both endothermic?

5070_w22_qp_11

MCQ

2022

Paper 1, Variant 1

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Which two processes are both endothermic?

5070_w22_qp_12

MCQ

2022

Paper 1, Variant 2

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Which statement about exothermic and endothermic reactions is correct?

5070_w24_qp_11

MCQ

2024

Paper 1, Variant 1

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When chemical reaction X takes place, thermal energy is given out. Which row is correct for this reaction?

5070_w24_qp_12

MCQ

2024

Paper 1, Variant 2

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Questions Discovered

84