Chemistry Solutions Library

Chemistry Solutions Library

Access over 27,561 Chemistry video and text solutions to help you complete your homework.

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27,561 solutions

Atomic Theory

Q. When a log burns, the mass of its products equals the mass of the log and oxygen. This is an example of which law? A. Law of Definite Proportions ...

Solved • Feb 11, 2016

The Scientific Method

Q. What is the difference between a theory and a scientific law? 

Solved • Feb 11, 2016

Atomic Theory

Q. A compound contains only calcium and fluorine. A sample of the compound is determined to contain 2.00 g of calcium and 1.90 g of fluorine. Accordin...

Solved • Feb 11, 2016

Atomic Theory

Q. Which of the following is NOT a component of Dalton’s Atomic Theory? A. A chemical reaction rearranges the grouping of atoms. B. Atoms are compri...

Solved • Feb 11, 2016

Atomic Theory

Q. The statement, “In a chemical reaction, no matter is neither created nor destroyed.” Is called a. The Law of Conservation of Mass b. Dalton’s Ato...

Solved • Feb 11, 2016

Atomic Theory

Q. Which of the following sets illustrates the Law of Multiple Proportions?  

Solved • Feb 11, 2016

Isotopes

Q. Osmium has six naturally occurring isotopes. When the most abundant isotope has this symbol:190Os6+The atomic number (Z), mass number (A), number o...

Solved • Feb 11, 2016