Specific Heat Capacity OALH

Do Now

1

Define “latent heat”

1

Define “latent heat of vaporisation”

1

Define “latent heat of fusion”

1

Name the piece of equipment you would use to accurately measure the volume of water

1

Convert this number to 3 significant figures - 76584

1

sketch a cooling curve and label it

Key Knowledge - LCWC

1

Define “specific heat capacity”

1

What is the equation for calculating specific heat capacity?

1

Define “specific heat capacity”

1

What is the equation for calculating specific heat capacity?

Recall Quiz

1

Is - No Temperature change - to do with Specific Latent Heat, Specific Heat Capacity or Both?

1

Is - 1Kg of a substance - to do with Specific Latent Heat, Specific Heat Capacity or Both?

1

Is - Change in Temperature of 1oC - to do with Specific Latent Heat, Specific Heat Capacity or Both?

1

Is - Amount of energy required - to do with Specific Latent Heat, Specific Heat Capacity or Both?

1

Is - For a change of state - to do with Specific Latent Heat, Specific Heat Capacity or Both?

I Do

1

I Do - A 2kg sample of salt water was heated up by 10⁰C. The specific heat capacity of salt water is 3985 J/kg ⁰C. Calculate the energy change in Joules to 2dp.

We Do

1

We Do
A 1kg sample of paraffin was heated up by 13⁰C. The overall energy change was 30,000J. Calculate the specific heat capacity to 2dp.

You Do

1

You Do
A 5.4kg sample of oil was heated up by 8⁰C. The overall energy change was 40000J. Calculate the specific heat capacity to 2dp.

1

You Do
When the car engine is working normally, 2 kg of coolant passes through the radiator each second. The temperature of the coolant falls from 112 °C to 97 °C. Specific heat capacity of the coolant = 3800 J/kg °C.
Calculate the energy transferred each second from the coolant.

Plenary

1

Specific Heat Capacity OALH

Define “latent heat”

Define “latent heat of vaporisation”

Define “latent heat of fusion”

Name the piece of equipment you would use to accurately measure the volume of water

Convert this number to 3 significant figures - 76584

sketch a cooling curve and label it

Define “specific heat capacity”

What is the equation for calculating specific heat capacity?

Define “specific heat capacity”

What is the equation for calculating specific heat capacity?

Is - No Temperature change - to do with Specific Latent Heat, Specific Heat Capacity or Both?

Is - 1Kg of a substance - to do with Specific Latent Heat, Specific Heat Capacity or Both?

Is - Change in Temperature of 1oC - to do with Specific Latent Heat, Specific Heat Capacity or Both?

Is - Amount of energy required - to do with Specific Latent Heat, Specific Heat Capacity or Both?

Is - For a change of state - to do with Specific Latent Heat, Specific Heat Capacity or Both?

I Do - A 2kg sample of salt water was heated up by 10⁰C. The specific heat capacity of salt water is 3985 J/kg ⁰C. Calculate the energy change in Joules to 2dp.

We DoA 1kg sample of paraffin was heated up by 13⁰C. The overall energy change was 30,000J. Calculate the specific heat capacity to 2dp.

You DoA 5.4kg sample of oil was heated up by 8⁰C. The overall energy change was 40000J. Calculate the specific heat capacity to 2dp.

You DoWhen the car engine is working normally, 2 kg of coolant passes through the radiator each second. The temperature of the coolant falls from 112 °C to 97 °C. Specific heat capacity of the coolant = 3800 J/kg °C.Calculate the energy transferred each second from the coolant.

Calculate the specific heat capacity of a block of unknown metal using this data.Mass = 2kg, temperature change = 7⁰C and energy = 1240J

Define “latent heat”

Define “latent heat of vaporisation”

Define “latent heat of fusion”

Name the piece of equipment you would use to accurately measure the volume of water

Convert this number to 3 significant figures - 76584

sketch a cooling curve and label it

Define “specific heat capacity”

What is the equation for calculating specific heat capacity?

Define “specific heat capacity”

What is the equation for calculating specific heat capacity?

Is - No Temperature change - to do with Specific Latent Heat, Specific Heat Capacity or Both?

Is - 1Kg of a substance - to do with Specific Latent Heat, Specific Heat Capacity or Both?

Is - Change in Temperature of 1oC - to do with Specific Latent Heat, Specific Heat Capacity or Both?

Is - Amount of energy required - to do with Specific Latent Heat, Specific Heat Capacity or Both?

Is - For a change of state - to do with Specific Latent Heat, Specific Heat Capacity or Both?

I Do - A 2kg sample of salt water was heated up by 10⁰C. The specific heat capacity of salt water is 3985 J/kg ⁰C. Calculate the energy change in Joules to 2dp.

We DoA 1kg sample of paraffin was heated up by 13⁰C. The overall energy change was 30,000J. Calculate the specific heat capacity to 2dp.

You DoA 5.4kg sample of oil was heated up by 8⁰C. The overall energy change was 40000J. Calculate the specific heat capacity to 2dp.

You DoWhen the car engine is working normally, 2 kg of coolant passes through the radiator each second. The temperature of the coolant falls from 112 °C to 97 °C. Specific heat capacity of the coolant = 3800 J/kg °C.Calculate the energy transferred each second from the coolant.

Calculate the specific heat capacity of a block of unknown metal using this data.Mass = 2kg, temperature change = 7⁰C and energy = 1240J

We Do
A 1kg sample of paraffin was heated up by 13⁰C. The overall energy change was 30,000J. Calculate the specific heat capacity to 2dp.

You Do
A 5.4kg sample of oil was heated up by 8⁰C. The overall energy change was 40000J. Calculate the specific heat capacity to 2dp.

You Do
When the car engine is working normally, 2 kg of coolant passes through the radiator each second. The temperature of the coolant falls from 112 °C to 97 °C. Specific heat capacity of the coolant = 3800 J/kg °C.
Calculate the energy transferred each second from the coolant.

Calculate the specific heat capacity of a block of unknown metal using this data.
Mass = 2kg, temperature change = 7⁰C and energy = 1240J

We Do
A 1kg sample of paraffin was heated up by 13⁰C. The overall energy change was 30,000J. Calculate the specific heat capacity to 2dp.

You Do
A 5.4kg sample of oil was heated up by 8⁰C. The overall energy change was 40000J. Calculate the specific heat capacity to 2dp.

You Do
When the car engine is working normally, 2 kg of coolant passes through the radiator each second. The temperature of the coolant falls from 112 °C to 97 °C. Specific heat capacity of the coolant = 3800 J/kg °C.
Calculate the energy transferred each second from the coolant.

Calculate the specific heat capacity of a block of unknown metal using this data.
Mass = 2kg, temperature change = 7⁰C and energy = 1240J