Chemistry, 20.03.2020 21:04 addison5022

What main criterion determines major divisions in the geologic time scale?

A. shifts in the position of Earth in its orbit

B. the occurrence of huge events in Earth's natural history

C. different stages in human evolution

D. times of major climate change

Answers: 2

Show answers

Another question on Chemistry

Chemistry, 21.06.2019 17:00

Write the complete balanced equation for the reaction between lead (iv) oxide (pbo2) and water (h2o).

Answers: 1

Answer

Chemistry, 22.06.2019 10:40

Ammonia and oxygen react to form nitrogen monoxide and water, like this: 4nh3 (g) + 5o2 (g) → 4no (g) + 6h2o (g) also, a chemist finds that at a certain temperature the equilibrium mixture of ammonia, oxygen, nitrogen monoxide, and water has the following composition: compound pressure at equilibrium nh3 65.1atm o2 31.3atm no 62.7atm h2o 65.8atm compound pressure at equilibrium nh3 65.3 atm o2 7.79 atm no 12.1 atm h2o 65.8 atm calculate the value of the equilibrium constant kp for this reaction. round your answer to 2 significant

Answers: 2

Answer

Chemistry, 22.06.2019 13:00

What is the mass of 2.00 l of an intravenous glucose solution with a density of 1.15 g/ml?

Answers: 2

Answer

Chemistry, 22.06.2019 16:10

Given the following equation: 2a1 + 3mgcl2 --> 2alcl3 + 3mg how many moles of aluminum chloride are produced from 2.5 moles of magnesium chloride?

Answers: 1

Answer

You know the right answer?

What main criterion determines major divisions in the geologic time scale?

A. shifts in...