CHM 151 Final Exam Questions & Answers 2024/2025

CHM 151 Final Exam Questions & Answers 2024/2025 - ANSWERS Scientific results must be verified by: - ANSWERSfurther experiment Kim Chemist proposes that increasing the proportion of butadiene in her glue formulation will make the glue sticker. Her proposal is called a(n): - ANSWERShypothesis Which of the following variables can be most easily controlled? - ANSWERSindoor temperature How many meters are in 10.0 cm? (1m=1x10^2 cm) - ANSWERS0.100 Refined white table sugar is usually derived from either sugar cane or sugar beets. Irrespective of the source of table sugar, after refining it always has the same composition of carbon, hydrogen and oxygen. Sugar is best classified as which one of the following? - ANSWERScompound The amount of carbon on the earth, including the atmosphere, - ANSWERSis essentially constant Which of the following can be broken down into simpler substances? A) CO B) Se C) Mg D) F - ANSWERSA. CO Which set of compounds illustrates the Law of Multiple Proportions? A) CH4, C2H6, C3H8