Joe is a neuroscientist and he needs to prepare a 4.5M solution of magnesium chloride for his experiment. He plans to make 350mL of this solution. Calculate the number of grams of the solute that he will need. (Round your final answer to one decimal place.)

Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?

What was bohr’s contribution to the planetary model

Avolleyball player hit a ball with a mass of 0.25 kg. the average acceleration of the ball is 15.5 m/s². how much force did the volleyball player apply to the ball? 62.0 n 3.87 n 62.0 m/s² 3.87 m/s²