# CH 1000 MOD 1 HW

chapter 1 HomeworkShow all work. Not showing how an answer was calculated may result in a reduction of points even if final answer is correct.Explain the difference between hypothesis, theory and scientific law.Textbook Review Question #2 on page 10.Textbook Review Question #3 on page 10.Textbook Review Question #3 on page 10.Textbook Review Question #5 on page 10.Chapter 2 HomeworkShow all work. Not showing how an answer was calculated may result in a reduction of points even if final answer is correct.When a very large number is written in scientific notation, should the exponent be a positive or negative number?Explain why the last digit in a measurement is uncertain.Ice floats in vegetable oil and sinks in ethyl alcohol. The density of ice must fall between what numerical values?Paired Exercise Question 14 on page 39. Only parts (a), (c), & (e).Unit Conversions Question 22 on page 40. Include solution map for all parts.chapter 3 HomeworkShow all work. Not showing how an answer was calculated may result in a reduction of points even if final answer is correctPaired Exercise #6 on page 59.Paired Exercise #9 on page 59.Paired Exercise #15 on page 59.Additional Exercises #37 on page 60.Additional Exercises #40 on page 61.Chapter 4 HomeworkShow all work. Not showing how an answer was calculated may result in a reduction of points even if final answer is correctWhat is the law of conservation of energy? Can you think of an example where energy is “transformed?”Review Question #4 on page 75.Review Question #14 on page 75.Paired Exercises #1 on page 76.Paired Exercises #5 on page 76.Paired Exercises #9 on page 76.Paired Exercises #15 on page 76.Additional Exercises #24 on page 77.Additional Exercises #28 on page 77.Chapter 5 HomeworkShow all work. Not showing how an answer was calculated may result in a reduction of points even if final answer is correctWhy is the mass number of an element a whole number, but the atomic mass is not?What is the difference between an atom and an ion?Review Question #9 on page 94.Review Question #16 on page 95.Review Question #19 on page 95.Review Question #21 on page 95.Review Question #24 on page 95.