Chapter 1, Problem 1.78E

Complete the following  conversions between SI units.  A. 612 g=___mg B. 8.160 m=___cm C. 3779 ug= ___g D. 781 mL =___L E. 4.18 kg=___g

Consider the following operations on the number 2.23 x 10-2. Without using a calculator, decide which would give a significantly smaller value than 2.23 x 10², which would give a significantly larger value, or which would give essentially the same value. -2 a. 2.23 x 10 + 8.44 x 105 b. 2.23 x 10 2 - 8.44 x 105 c. 2.23 x 102 x 8.44 x 10 d. 2.23 x 102÷ 8.44 x 105

1. Describe how to use conversion factors correctly using an example. 2. Write a number between 1.000 and 9999999.99. Write the number of significant figures in your number. 3. Give an example of how to find significant figures in calculations for A addition or subtraction B. multiplication and division

Convert 3.0 g to:a. lb d. cgb. oz e. mgc. kg

Which of the following is greater? a. 8.5 grams per milliliter or 8500 Kg/ m3 b. 5 x 10-2 kg/m3 or 5 x 10-4 gr/cm3.

Just number 42.

Match the exponential number with their corresponding metric prefixes: ___ Femto            a. 10-6 ___ Kilob.             b. 101 ___ Microc.          c. 10-3 ___ Millid.             d.103 ___ Decae.           e. 10-15   Metric Conversions:  8000 mg=  _____ g 15 mm=  ____ cm 9 km=    _____ m 2 g=       _____ mg 44,189 cm=  _____ m

After studying your printed calibration graph, answer the following questions. a. Which variable is plotted on the y-axis? b. Which variable is plotted on the x-axis? c. On which axis is the independent variable plotted? d. On which axis is the dependent variable plotted? The proper equation for the graph is y = 6.1x-0.0014 Als vs Can M

A 0.500 g metal occupies a volume of 25.0cm³. What is its density? a. 0.020 g/cm³ b. 12.5 g/cm³ c. 20.0 g/cm³ d. 50.0 g/cm³ What is the mass of a substance having a density of 1.30 g/cm³ occupying a volume of 3.90cm³? a. 3.00 g b. 3.00 cm³ c. 5.07 g d. 5.07 cm³ What is 105°C in °F? a. 90 °F b. 157 °F c. 195 °F How many significant figures are there in 303,000 g? a. 3 b. 4 c. 5 d. 221 °F d. 6 A 20.0-g cube has one side equal to 1.50cm. What is its density? a. 5.93 g/cm³ b. 8.89 g/cm³ c. 13.3 g/cm³ d. 30.0 g/cm³