CHEM 121 Exam 1 SPRING 2024 Portage learning

Complete the two problems below: 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. Your Answer: 8.453x10^2 - the decimal point was moved two places to the left - the first number was 8 .0000321 - the decimal point needed to be moved five spaces to the left. 1. Convert 845.3 = larger than 1 = positive exponent, move decimal 2 places = 8.453 x 102 2. Convert 3.21 x 10-5 = negative exponent = smaller than 1, move decimal 5 places = 0.0000321 Question 2 10 / 10 pts You may find the following resources helpful: Scientific Calculator Links to an external site. Periodic Table Equation Table Using the equation bank, complete the two conversions shown below, showing all work: 1. 2.73 liters = ? ml 2. 8.6 pts = ? qts Your Answer: 1. 2.73Lx(1000mL/1L)= 2730mL 2. 8.6pts x (1qt/2pts) = 4.3 qts 1. 2.73 liters x 1000 ml / 1 liter = 2730 ml 2. 8.6 pts x 1 qt / 2 pts = 4.3 qts Question 3 10 / 10 pts You may find the following resources helpful: