Chemistry Solutions Library

Chemistry Solutions Library

Access over 36,042 Chemistry video and text solutions to help you complete your homework.

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36,042 solutions

Oil Drop Experiment

Q. What do Thomson’s investigation of cathode rays, Millikan’s oil-drop experiment, and Rutherford’s investigation of alpha, beta, and gamma radiation...

Solved • Feb 4, 2016
Mole Concept

Q. How many oxygen atoms are in a 125 mg sample of aspirin? The molar mass of aspirin is 180.15 g/mol and its molecular formula is C9H8O4.   a) 4.18...

Solved • Feb 4, 2016

Calculate Oxidation Number

Q. A piece of metal was placed in a beaker, heated, and reacted with oxygen, thereby becoming a metal oxide. During this process, depending on reactio...

Solved • Feb 4, 2016

Ionic and Covalent Bonds

Q. What statement regarding molecular substances is FALSE? a) Usually comprised of non-metal elementsb) Has a distinct “building block” expressed by t...

Solved • Feb 4, 2016

Atomic, Ionic, and Molecular Solids

Q. Consider this representation of the substance cubane in the solid phase.  

Solved • Feb 4, 2016
Significant Figures

Q. At 4.000°C water’s density is 1.000 g/cm 3. For the range of temperatures associated with “room temperature” the density of pure water is: Density...

Solved • Feb 4, 2016
Accuracy & Precision

Q. Consider the data obtained for the length of an object as measured by three students. The length is known to be 14.49350 cm. Which student has done...

Solved • Feb 4, 2016