Chemistry I: Measurement and Problem Solving

What type of observations involve changes in color and physical state?

• Exponents

• Qualitative observations

• Scientific notations

• Quantitative measurements

What is the confidence in a measurement determined by looking at the last digit?

• Significant figures

• Accuracy

• Exponents

• Scientific notation

What is a way of expressing really big numbers or really small numbers?

• Exponents

• Scientific notation

• Density

• Precision

What is the unit for temperature in the SI system?

• Fahrenheit

• Rankine

• Celsius

• Kelvin

What is the standard unit for mass in the SI system?

• Ounce

• Pound

• Gram

• Kilogram

Which type of error produces values that are either all higher or lower than the actual value?

• Measurement error

• Systematic error

• Experimental error

• Random error

What is the density of water at the temperature of the experiment?

• 21.4 g/cm3

• 11.3 g/cm3

• 1.00 g/mL

• 0.752 g/mL

What is the volume of gasoline in an automobile gas tank with a mass of 60.0 kg and a density of 0.752 g/cm3?

• 30.0 cm3

• 20.0 cm3

• 80.0 cm3

• 40.0 cm3

What is the unit for length in the SI system?

• Foot

• Inch

• Centimeter

• Meter

What is the unit for time in the SI system?

• Second

• Minute

• Day

• Hour