Chemistry, 19.11.2020 23:10 dayanawhite64
Question #5
A teacher selects three balls to represent globes, covers them with paper cutouts of the continents to
show their arrangement over different periods of time, and labels them Globes 1, 2, and 3, as shown.
The teacher asks the students to label each globe with the era to which it belongs according to the
geological time scale. Which model is correctly labeled?
with Mesozoic, Paleozoic, and Cenozoic eras
Answers: 3
Chemistry, 22.06.2019 08:30
If i initially have a gas at a pressure of 12 atm, a volume of 23 liters, and a temperature of 200 k, and then i raise the pressure to 14 atm and increase the temperature to 300 k, what is the new volume of the gas?
Answers: 2
Chemistry, 22.06.2019 08:40
Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.
Answers: 2
Chemistry, 22.06.2019 10:10
For the reaction, 4 a(g) + 3 b(g) => 2 c(g), the following data were obtained at constant temperature. experiment initial[a],mol/l initial [b],mol/l initial rate,m/min 1 0.200 0.150 5.00 2 0.400 0.150 10.0 3 0.200 0.300 10.0 4 0.400 0.300 20.0 which of the following is the correct rate law for the reaction? 1. rate = k[a]2[b]2 2. rate = k[a][b] 3. rate = k[a]2[b] 4. rate = k[a][b]2
Answers: 3
Chemistry, 22.06.2019 19:30
Describe the forces both attractive and repulsive that occur as two atoms move closer together.
Answers: 1
Question #5
A teacher selects three balls to represent globes, covers them with paper cutouts of th...
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