Calorimetry Quiz

What is the primary purpose of calorimetry?

• To measure the mass of a system

• To measure the volume of a system

• To measure the speed of particles in a system

• To measure the heat change in a system

Which equation is fundamental to calorimetry calculations?

• P = IV

• E = mc^2

• F = ma

• Q = MCΔT

What is the unit of heat commonly used in calorimetry?

• Pascal

• Newton

• Watt

• Calorie

How many joules are equivalent to one calorie?

• 2.18 joules

• 8.18 joules

• 4.18 joules

• 6.18 joules

What does the specific heat capacity of a substance indicate?

• The amount of heat needed to vaporize the substance

• The amount of heat needed to freeze the substance

• The amount of heat needed to melt the substance

• The amount of heat needed to raise the temperature of one gram of the substance by one degree Celsius

In the equation Q = MCΔT, what does the 'C' represent?

• Mass

• Heat energy

• Specific heat capacity

• Temperature change

In the example problem with liquid water, what is the specific heat capacity used?

• 2.18 J/g°C

• 3.18 J/g°C

• 4.18 J/g°C

• 5.18 J/g°C

What is the change in temperature (ΔT) for the liquid water example problem?

• 4.00°C

• 2.00°C

• 3.00°C

• 1.00°C

In the solid lead example, what is the specific heat capacity of lead used?

• 0.429 J/g°C

• 0.329 J/g°C

• 0.229 J/g°C

• 0.129 J/g°C

What is the final heat loss in kilojoules for the solid lead example?

• -0.1 kJ

• -1.1 kJ

• -3.1 kJ

• -2.1 kJ