Chemistry, 23.07.2020 14:01 carter1809
Which statement is part of the currently accepted atomic model?
A. Atoms are the smallest particles of matter and cannot be divided.
B. An atom is made up of a nucleus surrounded by electrons that
travel in orbits.
C. An atom is a positively charged ball with electrons scattered
throughout
D. An atom is made up of electron clouds with different energy levels
that surround a nucleus.
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 02:50
Using a value of ksp = 1.8 x 10-2 for the reaction pbcl2 pb+2(aq) + 2cl -(aq). if the value of ksp was determined to be only 1.2 x 10-2: too much solid has dissolved. additional precipitate is forming. the solution is unsaturated. the ions are now combining to reduce their concentrations.
Answers: 3
Chemistry, 22.06.2019 09:00
This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.
Answers: 1
Which statement is part of the currently accepted atomic model?
A. Atoms are the smallest particles...
Advanced Placement (AP), 16.12.2019 04:31
History, 16.12.2019 04:31
Mathematics, 16.12.2019 04:31
Social Studies, 16.12.2019 04:31
Biology, 16.12.2019 04:31
English, 16.12.2019 04:31
English, 16.12.2019 04:31
Social Studies, 16.12.2019 04:31
Mathematics, 16.12.2019 04:31
Mathematics, 16.12.2019 04:31
Advanced Placement (AP), 16.12.2019 04:31
English, 16.12.2019 04:31
Geography, 16.12.2019 04:31
Arts, 16.12.2019 04:31