E2.056 – Classify as endothermic or exothermic
OWL Introductory Chemistry: An Active Learning Approach
Cracolice and Peters
07th Edition
Three items are given, are they endothermic or exothermic?
Three items are given, are they endothermic or exothermic?
Determine if each item is a chemical or physical change.
A reaction is given and each substance is notated as a (s), (l) or (g). Which are products? Which are reactants? Is energy absorbed or released? Is the reaction endothermic or exothermic?
Use the given reaction to calculate the grams of the missing item.
Your numbers will vary.
A chemical reaction is given as well as the mass of two of the items in grams. How much of the missing item is needed to react or will be formed? This solver can solve for either.
Your numbers will vary.
For the three items given, does kinetic energy increase or decrease?
Determine if each item is macroscopic, microscopic or particulate.
Multiple choice question asking why chemists choose to use models for molecules and atoms.
Various concept questions on techniques for separating mixtures: filtration, distillation, etc.