The boiling point of ethanol (C2H5OH) changes from 78.5oC to 85.2oC when an amount of naphthalene (C10H8) is added to 1.00 kg of ethanol. How much, grams, of naphthalene is required to cause this change? {Kb = 1.22 oC kg/mol}

What are the three major branches of natural science? • earth and space science, life science, physical science •earth and space science, physical science, chemistry •physical science, life science, chemistry •life science, chemistry, physics

Heat is the total potential energy of a substance that can be transferred. true false

Aman applies a force of 500n to push a truck 100m down the street how much does he do?