Chem 162 Study guides, Class notes & Summaries

Which one of the following nuclear reactions is not correct? A. 226 88Ra → 222 86Ra + α B. 63 28Ni → 63 29Cu + βC. 11 C → 11 B + β+ D. 14 C → 14 N + βE. 14 7N + 1 0n → 14 C + 1 1p A. Correct. 22688Ra → 22286Ra + 4 α B. Correct. 6328Ni → 6329Cu + 0 -1e C. Not correct. 11 C → 11 B + 0 e 3 6 7 -1 6 D. Correct. 14 C → 14 N + 0 e E. Correct. 147N + 1 0n → 14 C + 1 1p CHEM 162-2009 FINAL EXAM CHAPTER 19 - THE NUCLEUS RADIOACTIVE DECAY PARTICLES AND R...

Chemistry definition correct answers Study of structure, properties, transformations of matter Matter correct answers Anything that has mass + takes up space Phases: solid, liquid, gas Condensed phases = solids + liquids Intermolecular Forces (IMF) correct answers = Interactions between molecules/atoms/ions Solution correct answers = Homogenous mixtures of 2+ pure substances In a solution, the solute is dispersed uniformly throughout the solvent - Solute = compound(s) in lesser amount - ...

Chemistry definition correct answers Study of structure, properties, transformations of matter Matter correct answers Anything that has mass + takes up space Phases: solid, liquid, gas Condensed phases = solids + liquids Intermolecular Forces (IMF) correct answers = Interactions between molecules/atoms/ions Solution correct answers = Homogenous mixtures of 2+ pure substances In a solution, the solute is dispersed uniformly throughout the solvent - Solute = compound(s) in lesse...

Chem 162 Final Exam Questions & Answers

Combustion is what type of change? correct answers chemical change What is combustion? correct answers chemical reaction where add oxygen Combustion aka correct answers oxidation Oxidation correct answers add oxygen Combustion of raffinose: C18H22O16 + O2 -> CO2 + H2O In this formula, are the reactants or products stronger? correct answers product bonds Combustion of raffinose: C18H22O16 + O2 -> CO2 + H2O net energy? correct answers net exothermic [net energy o...

CHEM 162 EXPERIMENT #5: SPECTROCHEMICAL SERIES (Complete Solution)Goals of this lab: • Produce a copper coordination compound and evaluate the yield • Calculate d-orbital splitting energies from spectral data in nanometers • Apply Crystal Field Theory to the comparison of ligand field strengths among groups of coordination complexes • Assess the accuracy of experimental data and identify sources of error Your lab report will be graded on the following criteria using a poor/good/ex...

Chem 162 Experiment #3: Intermolecular Forces Latest Complete Solution

Isomer correct answers each of two or more compounds with the same formula but a different arrangement of atoms in the molecule and different properties. metals often react with strong acids to generate ____ correct answers metals often react with strong acids to generate H2 Ionic Crystalline Solids correct answers Strong Electrostatic Attraction High Melting Point Hard Brittle Insulator Soluble Molecular Crystalline Solids correct answers Weak Intermolecular Forces (<...

Chem 162 - Experiment #4 Complete Solution

First Law of Thermodynamics: Energy cannot be _________ or __________. correct answers Created; Destroyed For an exothermic reaction, "lost" heat from the _________ goes into the _____________. correct answers system; surroundings two ways energy "lost" from a system, converted to _____,___ used to do _______,___ correct answers heat, q; work, w Energy conservation requires that the energy change in the system equal the heat released + work done ΔE = ________ ΔE = ________ ...