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You go to a convenience store to buy candy and find the owner to be rather odd. He

Introductory Chemistry: A Foundation | 7th Edition | ISBN: 9781439049402 | Authors: Steven S. Zumdahl, Donald J. DeCoste ISBN: 9781439049402 426

Solution for problem 2 Chapter 2

Introductory Chemistry: A Foundation | 7th Edition

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Introductory Chemistry: A Foundation | 7th Edition | ISBN: 9781439049402 | Authors: Steven S. Zumdahl, Donald J. DeCoste

Introductory Chemistry: A Foundation | 7th Edition

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Problem 2

You go to a convenience store to buy candy and find the owner to be rather odd. He allows you to buy pieces only in multiples of four, and to buy four, you need $0.23. He allows you only to use 3 pennies and 2 dimes. You have a bunch of pennies and dimes, and instead of counting them, you decide to weigh them. You have 636.3 g of pennies, and each penny weighs an average of 3.03 g. Each dime weighs an average of 2.29 g. Each piece of candy weighs an average of 10.23 g. a. How many pennies do you have? b. How many dimes do you need to buy as much candy as possible? c. How much would all of your dimes weigh? d. How many pieces of candy could you buy (based on the number of dimes from part b)? e. How much would this candy weigh? f. How many pieces of candy could you buy with twice as many dimes?

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Organic and Biological Chemistry “organic chemistry” – chemistry of carbon compounds Not organic food (refers to fertilizers, pesticides, etc.) All food technically organic “biochemistry is the study of carbon compounds that crawl” – Michael Adams Know H 1 bond C 4 bonds N 3 bonds, 1 lone pair O 2 bonds, 2 lone pair X 1 bond, 3 lone pair (halogens, stop @ iodine) Eventually will learn functional groups but all have structural features that give chemical features 31 August 2016 Why only 8 Second energy level 2s 3(2p) Exceptions: H (1 bond), Be(only 4 e- in valence), B (6 e- valence) but Be and B won’t be on any exams or quizzes # bonds and # Lone Pairs = 4 Remember to always add lone pai

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Textbook: Introductory Chemistry: A Foundation
Edition: 7
Author: Steven S. Zumdahl, Donald J. DeCoste
ISBN: 9781439049402

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You go to a convenience store to buy candy and find the owner to be rather odd. He