Calorimetry and Specific Heat

The video indicates that the specific heat is given by the symbol "s". However, we use the symbol "c" for specific heat. Which of the following equations is the equation we will use for specific heat?

• q = mcΔV

• q = mcΔP

• q = mcΔE

• q = mcΔT

What is the specific heat capacity of water in J/g°C?

• 2.1 J/g°C

• 4.18 J/g°C

• 3.5 J/g°C

• 1.0 J/g°C

Which of the following is a common method to analyse temperature-time graphs in solution calorimetry?

• Calculating the slope of the graph

• Measuring the area under the curve

• Identifying the peak temperature

• Determining the initial and final temperatures

What is the primary reason for using water in calorimetry experiments?

• It has a low boiling point

• It is a good conductor of electricity

• It has a high specific heat capacity

• It is a strong acid

Tags

NGSS.HS-PS3-2

In solution calorimetry, what is the purpose of determining the calibration factor?

• To measure the mass of the solution

• To account for heat loss to the surroundings

• To determine the specific heat capacity of the solution

• To calculate the volume of the solution

Tags

NGSS.HS-PS3-4

In a calorimetry experiment, if the temperature of water increases, what does it indicate about the reaction?

• The reaction is endothermic

• The reaction is exothermic

• The reaction is at equilibrium

• The reaction is non-spontaneous

Tags

NGSS.HS-PS1-5

Which of the following is a potential source of error in solution calorimetry?

• Accurate measurement of mass

• Precise temperature readings

• Heat loss to the surroundings

• Use of distilled water

Tags

NGSS.HS-PS3-4

In calorimetry, what does a flat section on a temperature-time graph indicate?

• A phase change

• Constant temperature

• Maximum temperature reached

• Minimum temperature reached

Calculate the answer to the problem.

• 297 J

• 0.30 kJ

• 300 J

• 0.50 kJ

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4

What is the answer to this problem?

• 42 g

• 0.04 kg

• 0.02 g

• 24 g

Tags

NGSS.HS-PS3-1