Many planets are formed by a process called accretion, where chunks of material are drawn to bigger chunks of material and are slammed together until enough material has been gathered to produce a planet. Which of the following forces is responsible for accretion?

A.
magnetism
B.
gravitation
C.
nuclear
D.
electromagnetic energy

Calculate the molarity of the solution. 6.02 x 1022 molecules of hci (molecular weight = 36.5 g/mole) in 2.0 liters of water m

Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.

Read the chemical equation. 2c2h2 + 5o2 → 4co2 + 2h2o which of the following statements would be correct if one mole of c2h2 was used in this reaction? one mole of oxygen was used in this reaction. five moles of oxygen were used in this reaction. four moles of carbon dioxide were produced from this reaction. two moles of carbon dioxide were produced from this reaction.