# Chemistry: Chapter 2

 How do you measure the volume of an irregular shaped object? You must submerge it How do you find Displacement?: (3) Find the initial volume before the objectFind the volume after displacing waterSubtract the final volume from the initial volume How is mass measured? By a pan balance When using a Balance why do you do the Weigh Subtraction method? You remove the error in the balance What are the measurements of Temperature? FahrenheitCelsiusKelvin The range from freezing point to boiling point on this scale is 32 to 212 degrees Fahrenheit The range from freezing point to boiling point on this scale is 0 to 100 degrees Celsius Why is the metric system better? (3) 1 Unit of measurement for each physical quantityBased on 10'sIt's universal Other countries refuse to buy our products if the product is labeled with... Metric Units How close a measurement is to the accepted value -Correct Accuracy How close a series of measurements are to each other -Repeated Precision What is this an example of?: 1 quiz does not define how well you're going to do this year Accuracy What is this an example of?: Getting a good grade on every test shows you're going to do well this year Precision What is the purpose of a Significant Figure? Describes how accurate and precise the tool is What is the purpose of Scientific Notation? (2) To simplify large #'sTo show significant figures What is the purpose of dimension analysis? To convert one unit to another How to multiply/divide numbers? Multiply/divide and then your answer should look like one of the numbers with the least amount of significant figures How to add/subtract numbers? Add/subtract and your answer should look like one of the numbers with the least amount of numbers to the right of the decimal AuthorLaurenCamp29 ID237712 Card SetChemistry: Chapter 2 Descriptionadd to chapter 1 test Updated2014-06-14T19:51:38Z Show Answers