Chemistry 2

Chemistry Exam 2:(114Q) (100% Correct Answers Grade A+ 2022) Question:-What energy change is associated wit the reaction to obtain one mole of H2 from one mole of vapor? A. -425 kJ B. +425 kJ C. -436 kJ D. +249 kJ {{Ans}} (D. +249 kJ -When dealing with energy change, you subtract products from reactants.) Question:-_____________ is a measure of the heat required to change the temperature of a substance? A. Melting point B. Specific heat C. Heat of vaporization D. Boiling ...

A-LEVEL CHEMISTRY CHEM2 Chemistry in Action Mark scheme. Questions and answers

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the different reactions of carboxylic acids with other materials. comes with working examples and solutions.