Chemistry, 02.07.2019 22:00 Bailey1116680
What concept in dalton’s atomic theory has been modified? a. all matter is composed of atoms. b. atoms of different elements have different properties and masses. c. atoms can combine in chemical reactions. d. atoms cannot be divided.
Answers: 2
Chemistry, 22.06.2019 00:30
Butadiene undergoes a reaction at a certain temperature in the gas phase as follows: 2c4h6(g) --> c8h12(g) the following data were collected for this reaction: time (min) [c4h6] (m) 0 0.36 15 0.30 30 0.25 48 0.19 75 0. determine the order of the reaction and the rate constant. 1st order and k = 4.3x10 -4 s-1 1st order and k = 2.3x10-4 s-1 2nd order and k = 4.3x10-4 s-1 2nd order and k = 2.3x10-4 s-1 zero and k = 4.3x10-4 s-1
Answers: 3
Chemistry, 22.06.2019 09:00
At 300 mm hg, a gas has a volume of 380 l, what is the volume at standard pressure
Answers: 1
Chemistry, 22.06.2019 12:00
Explain what happens at the saturation point when adding salt to water at room temperature.
Answers: 1
Chemistry, 22.06.2019 19:00
How does kepler second law of planetary motion overthrow one of the basic beliefs of classical astronomy
Answers: 1
What concept in dalton’s atomic theory has been modified? a. all matter is composed of atoms. b. at...
Mathematics, 11.03.2020 21:35
Mathematics, 11.03.2020 21:35
Mathematics, 11.03.2020 21:35