By John A. Olmsted, Gregory M. Williams
Olmsted/Burk Chemistry, moment Canadian Edition is an introductory basic chemistry textual content designed particularly with Canadian teachers and scholars in brain. Canadian content material within the kind of SI devices, IUPAC criteria and learn content material extra correctly displays the self-discipline of Canadian chemistry, distinguishing this article from present textual content choices that are essentially American.
Canadian chemistry teachers will locate this article sufficiently rigorous whereas nonetheless attractive and protecting pupil curiosity with obtainable language, a concise and easy-to-use presentation of data, and a transparent problem-solving program—without an way over fabric that makes so much texts look daunting and redundant. This moment version comprises extra natural chemistry insurance, multi-concept difficulties, and elevated scholar pedagogy.
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Extra resources for Chemistry
It is convenient to deconstruct the formula into a list of elements, removing the parentheses and including the atoms in the waters of hydration. 94 g/mol 22 Chapter 1 | Fundamental Concepts of Chemistry ✓ Does the Result Make Sense? Another way to calculate this molar mass is by working with the individual components of the formula. Each formula unit of the compound contains one iron(II) cation, two nitrate anions, and six waters of hydration: MFe(NO3)2 # 6H2O = MFe2 + + 2 MNO3- + 6 MH2O. Verify that this procedure gives the same result.
Strategy: Apply the seven-step approach. The first two steps are part of the strategy. 1. Determine what is asked for. The problem asks for the volume of a silver atom. Spoons are electroplated with silver to give them an attractive finish. 2. Visualize the problem. Draw a picture that shows the setup and the information provided in the problem. A picture often helps to interpret and summarize a problem. In this case, the figure should show the spoon, the silver wire, and some indication that atoms are transferred from the wire to the spoon.
785 g. 816 g. Find the density of the liquid. 229 * 106 barrels of oil per day. 99 litres. If the average density of oil is 900. g/L, calculate the mass (in tonnes) of oil imported by Canada in one year. 1 tonne = 106 g. NEED MORE PRACTICE? 4 COUNTING ATOMS: THE MOLE Chemistry is a quantitative science, and chemists frequently measure amounts of matter, which means measuring the numbers of atoms. Counting atoms is difficult, but we can easily measure the mass of a sample of matter. To convert a mass measurement into a statement about the number of atoms in a sample, we must know the mass of an individual atom.
Chemistry by John A. Olmsted, Gregory M. Williams