Solutions to Section 1.2, Mathematics for Engineers

# Solutions to Section 1.2, Mathematics for Engineers - of...

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Chem 121, Fall 07 Problem set #1 Due Monday, 10/28 @ 1 PM Name ____________key______________ 1) What SI prefixes correspond to the following multipliers? 10 3 10 9 10 -6 10 -12 2) Round off the following quantities to the number of significant figures indicated in parentheses. 7.0001 kg (4) 1.605 km (3) 13.2151 g/cm 3 (3) 2,300,000.1 (7) 3) A 1.0 ounce piece of chocolate contains 15 mg of caffeine, and a 6.0 ounce cup of coffee contains 105 mg caffeine. How much chocolate would you have to consume to get as much caffeine as you would from 2.0 cups

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Unformatted text preview: of coffee? (show your work) kilo giga micro pico 7.000 kg 1.60 km 13.2 g/cm 3 2,300,000 4) Naturally occurring silver consists of two isotopes: 107 Ag (51.84%) with an isotopic mass of 106.9051 amu, and 109 Ag (48.16%) with an isotopic mass of 108.9048 amu. What is the atomic mass of silver? (show your work) 5) How many protons and electrons are in each of the following ions? Na + Fe 3+ Br-Pd 2+ 11 protons 10 electrons 26 protons 23 electrons 35 protons 36 electrons 46 protons 44 electrons...
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## This note was uploaded on 01/16/2011 for the course KAK PHID taught by Professor Mamajan during the Spring '10 term at DISD.

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Solutions to Section 1.2, Mathematics for Engineers - of...

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