Thermochemistry

What is the relationship between Celsius temperature and Kelvin temperature?

• Kelvin + 273.15 = Degrees Celsius
• Degrees Celsius + 273.15 = Kelvin
• Degrees Celsius - 273.15 = Kelvin
• Kelvin divided by 273.15 = Degrees Celsius

On what principle does calorimetry depend?

• law of conservation of energy
• law of enthalpy
• Hess's law
• law of multiple proportions

In a calorimeter, the energy content of a substance is calculated from measurement of the temperature change in a known mass of 

• water
• air
• steel
• iron

Which of the following best describes temperature?

• a measure of the average kinetic energy of particles in a sample of matter
• the energy transferred between samples of matter because of a difference in their temperature
• the energy stored in a sample of matter
• bond energy

What is the energy required to raise the temperature of 1 g of a substance by 1 ⁰C or 1 K?

• heat capacity
• enthalpy of formation
• heat energy
• specific heat

If a piece of copper is heated from 23⁰C to 52⁰C, what is the value of ΔT?

• 29 K
• 273 K
• 302 K
• none of the above

The Greek letter delta Δ stands for

• rate of
• heat stored in
• change in 
• mass of 

In what units is temperature measured?

• degrees Celsius
• Kelvin
• both Kelvin and degrees Celsius
• neither 

Energy is measured in units of

• joules
• grams
• pounds
• kelvin

An equation that includes the quantity of energy released or absorbed as energy in the form of heat 

• kinetic equation
• energetic equation
• thermochemical equation
• temperature equation