A sample of aluminum (c = 0.900 J/g°C) is heated from 20.8°C to 38.7 °C using 3,750 J of energy. What is the mass of the aluminum sample?

Which describes fat? a: a carbohydrate that produces energy b: a nucleic acid that directs cell function c: a lipid that stores energy d: a protein that speeds up a chemical reaction

Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false

Which terms are used to identify pure substances