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Specific Heat Capacity OALH

Last updated almost 5 years ago
20 questions
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

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