Exercise 7.46 we can determine the purity of solid materials by using calorimetry. a gold ring (for pure gold, specific heat = 0.1291 j⋅g−1⋅k−1 ) with mass of 10.5 g is heated to 78.3 ∘c and immersed in 50 g of 23.7 ∘c water in a constant-pressure calorimeter. the final temperature of the water is 31.0 ∘c. you may want to reference ( page ) section 7.1 while completing this problem.
Answers: 1
Chemistry, 21.06.2019 14:20, Mordred9571
Which is true of chemicals? a. things containing chemicals always cost a lot of money. b. chemicals are never dangerous. c. chemicals are in many substances in a home. d. chemicals are rarely found on earth.
Answers: 1
Chemistry, 21.06.2019 19:30, fireyking19
If the root word engage means “to connect with something,” what does the word disengage mean in the following sentence? he disengaged the gears by stepping on the clutch pedal. a.added more engine powerb. activated a connection to the pedalc. stalled the engined. released a connection to the pedal
Answers: 1
Exercise 7.46 we can determine the purity of solid materials by using calorimetry. a gold ring (for...
History, 18.11.2020 18:50