Chemistry, 16.12.2019 20:31 Angelahum5356
Bob the chemist ran a tlc plate of his product, but the spot would not move off the baseline. the eluent he used consisted of a 30% polar / 70% non-polar solvent system. which solvent system should he try next in order to get the compounds in his product mixture to move up the plate
Answers: 1
Chemistry, 22.06.2019 06:00
24. a sports ball is inflated to an internal pressure of 1.85 atm at room temperature (25 °c). if the ball is then played with outside where the temperature is 7.5 °c, what will be the new pressure of the ball? assume the ball does not change in volume nor does any air leak from the ball a) 0.555 atm b) 1.74 atm c) 1.85 atm d) 1.97 atm
Answers: 2
Chemistry, 22.06.2019 18:30
You open a can of soda at room temperature and hear a hiss. which of the following factors has changed inside the container? a.) atmospheric pressure b.) temperature of gas c.) type of gas d.) amount of gas
Answers: 1
Chemistry, 23.06.2019 10:30
4al + 3o2 → 2al2o3 what does the "3" in front of o2 stand for? a) it indicates that there are 5 oxygen atoms after you add the coefficient and the subscript. b) it indicates that that there are are total of 6 oxygen atoms all bonded together as a single molecule. c) it indicates that there are 3 oxygen molecules chemically bonded to each other in the reaction. d) it indicates that there are 3 separate oxygen molecules in the reaction.
Answers: 2
Bob the chemist ran a tlc plate of his product, but the spot would not move off the baseline. the el...
Mathematics, 26.05.2021 14:00
World Languages, 26.05.2021 14:00
Physics, 26.05.2021 14:00
Chemistry, 26.05.2021 14:00
Social Studies, 26.05.2021 14:00
Health, 26.05.2021 14:00
Mathematics, 26.05.2021 14:00
History, 26.05.2021 14:00
Mathematics, 26.05.2021 14:00
Mathematics, 26.05.2021 14:00
Mathematics, 26.05.2021 14:00
Mathematics, 26.05.2021 14:00
English, 26.05.2021 14:00
Social Studies, 26.05.2021 14:00