Results for "ENDOTHERMIC"

Part II. Multiple choice, continued (3 points each). Name:__________________ Please circle your answer. There is only one correct answer to each question. 22. ∆E for a system that releases 12.4 J of heat and does 4.2 J of work on the surroundings is ____________ J. A) 16.6 B) 12.4 C) –8.2 D) –16.6 23. ∆H for an endothermic process is _________ while ∆H for an exothermic process is __________. A) zero, positive B) positive, negative C) negative, zero D) negative, positive 24. The value of ∆H˚ for the reaction below is –283 kJ. Calculate the heat (kJ) released to the surroundings when 12.0 g of CO reacts completely. CO (g) + O2 (g) à CO2 (g) A) 121 B) 660 C) 283 D) 212 25. Given the following reactions N2 (g) + 2O2 (g) à 2NO2 (g) ∆H = 66.4 kJ 2NO (g) + O2 (g) à 2NO2 (g) ∆H = -114.2 kJ the enthalpy of the reaction of nitrogen to produce nitric oxide N2 (g) + O2 (g) à 2NO (g) is __________ kJ. A) 180.6 B) –47.8 C) 47.8 D) –180.6 26. Given the data in the table below, ∆H˚ for the reaction 2CO (g) + O2 (g) à 2CO2 (g) is __________ kJ. Substance ∆Hf˚ (kJ/mol) CO (g) -110.5 CO2 (g) -393.5 CaCO3 (s) -1207.1 A) –677.0 B) 283.3 C) –283.0 D) –566.0

AQA GCSE Chemistry Paper 1

chem exothermic and endothermic

BJU Biology Chapter 18: The Endothermic Vertebrates

Energy transfer during Exothermic and Endothermic reactions

BJU Biology Chapter 18: The Endothermic Vertebrates

Exothermic and Endothermic reactions.

exothermic and endothermic reactions

Endothermic and Exothermic

Unit 6 Part 1 - Thermochemistry

Unit 5 - Kinetics

Exothermic and Endothermic Reactions

Exothermic and Endothermic reactions

Physical and Chemical Changes, Exothermic and Endothermic Reactions

exothermic vs. endothermic

exothermic and endothermic reactions

energy transfer during exothermic and endothermic reactions

gcse chemistry higher - bond energies and exo/endothermic reactions

ENDOTHERMIC OR EXOTHERMIC PRACTICE

Exo and Endothermic (physical chem)