CHEM 1110 Final Exam Review Past Exam Questions with Answers, Exams of Chemistry

CHEM 1110 Final Exam Review Past Exam Questions with Answers Which of the following is not a pure substance? a.) air b.) sodium chloride c.) water d.) zinc ANSWER✓✓ a.) air The result of the operation (23.259 - 3.000)*0.01010 should be reported as: a.) 0.2 b.) 0.20 c.) 0.205 d.) 0.2046 ANSWER✓✓ d.) 0.2046 The number 0.00003461 in scientific notation is: a.) 3.461 x 10^-4 b.) 3.461 x 10^-5 c.) 3.461 x 10^5 d.) 34.61 x 10^-5 ANSWER✓✓ b.) 3.461 x 10^-5 300 K equals a.) 573 °C b.) 199 °C c.) 27 °C d.) 42 °C ANSWER✓✓ c.) 27 °C