Chemistry Final Review

Front

Calculate the mass in grams for 1.002 moles of Chromium (Cr).

Back

52.0 g

Front

How many significant figures are in the number 206.54?

Back

5

Front

What is the pressure in an aerosol can at 845 C if it was 3.00 atm at 25 C? (Convert temperature to Kelvin)

Back

11.3 atm

Front

How many valence electrons does Lithium (Li) have?

Back

1

Front

Is density an intensive or extensive property?

Back

Intensive

Front

Define molarity (M).

Back

Molarity is the number of moles of solute per liter of solution.

Front

What is the formula for calculating density?

Back

Density = Mass/Volume.

Front

What is the significance of significant figures in measurements?

Back

Significant figures indicate the precision of a measurement.

Front

What is the ideal gas law equation?

Back

PV = nRT.

Front

Define an intensive property with an example.

Back

An intensive property is independent of the amount of substance, e.g., density.