CHEMISTRY-TEXT
8th Edition
ISBN: 9780134856230
Author: Robinson
Publisher: PEARSON
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Textbook Question
Chapter 1, Problem 1.89SP
The diameter of the Earth at the equator is 7926.381 mi.
(a) Round off this quantity to four significant figures and then to two significant figures.
(b) Express the answers in scientific notation.
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Chapter 1 Solutions
CHEMISTRY-TEXT
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(a) How many...Ch. 1 - Convert the following quantities into SI units...Ch. 1 - Prob. 1.96SPCh. 1 - In the United States, the emissions limit for...Ch. 1 - Prob. 1.98SPCh. 1 - Prob. 1.99SPCh. 1 - Prob. 1.100SPCh. 1 - Concentrations of substances dissolved in solution...Ch. 1 - Prob. 1.102SPCh. 1 - Prob. 1.103SPCh. 1 - Which is larger in each pair, and by approximate...Ch. 1 - The density of polystyrene, a plastic commonly...Ch. 1 - The density of polypropylene, a plastic commonly...Ch. 1 - Prob. 1.107MPCh. 1 - A 1.0-ounce piece of chocolate contains 15 mg of...Ch. 1 - Prob. 1.109MPCh. 1 - Prob. 1.110MPCh. 1 - Prob. 1.111MPCh. 1 - A bag of Hershey’s Kisses contains the following...Ch. 1 - Vinaigrette salad dressing consists mainly of oil...Ch. 1 - At a certain point, the Celsius and Fahrenheit...Ch. 1 - Prob. 1.115MPCh. 1 - A calibrated flask was filled to the 25.00 mL mark...Ch. 1 - Brass is a copper-zinc alloy. What is the mass in...Ch. 1 - Ocean currents are measured in Sverdrups (sv)...Ch. 1 - The element gallium (Ga) has the second-largest...
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