Chem 103 Module 1 Exams Questions and Answer

MODULE 1 EXAM

Question 1                                                                                               Click this link to access the Periodic Table. This may be helpful throughout the exam.

1.          Convert 845.3 to exponential form and explain your answer.

2.          Convert 3.21 x 10-5   to ordinary form and explain your answer.

Convert 845.3 = larger than 1 = positive exponent, move decimal 2 places

= 8.453 x 102

Convert 3.21 x 10-5   = negative exponent = smaller than 1, move decimal 5 places = 0.0000321

Question 2                                                                                               Click this link to access the Periodic Table. This may be helpful throughout the exam.

Using the following information, do the conversions shown below, showing all work:

1 ft = 12 inches

1 pound = 16 oz

1 gallon = 4 quarts

1 mile = 5280 feet

1 ton = 2000 pounds

1 quart = 2 pints

kilo (= 1000) 1/100)

milli (= 1/1000) deci (= 1/10)

centi (=