If the heat of fusion is 32.2 kj/mol, the amount of heat energy required to melt 5.67 grams of feo is

An observer that stands still as the electron moves by him, will observe

Why is rain likely when warm, moisture-laden air meets cold air? a) the lighter warm air will rise and cool down, causing condensation and rain. b) the cold air moves faster and pushes the warm air away, causing condensation and rain. c) the moisture in the warm air condenses on contact with the cold air, causing rain to fall. d) the cold air mixes with the warm air, reducing its temperature causing moisture to condense.

Why do different substances have diffrent properties