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Question 1- Food stand You need to choose the correct oil for the donut fryer (power of the fryer is 2000W). The oil has plenty of time to heat up before opening, and you need it to stay as hot as possible to reduce the energy consumption when keeping the oil hot all day. You design an experiment to calculate the specific heat capacities of the oil. a) You decide to run your experiment for 5 minutes. Your results are in the table below. Use them to calculate the specific heat capacity of each oil, then choose an oil for your fryer based on these results. Oil type Mass (kg) Temperature at the start (°C) Temperature at the end (°C) Corn oil Vegetable oil Lard 2.3kg 2.1kg 3.2 kg 40 40 40 182 211 123 b) You realise that lard is solid when you take it out of the fridge. You decide to run an experiment starting from solid state. The graph of your results is below. Describe what is happening at each section of the graph. Then use this to calculate the total energy needed to heat 3.2kg of lard at 3°C out of the fridge to frying temperature of 200°C. The latent heat of fusion of lard is 60kJkg The specific heat capacity of lard when solid is 1.3kJkg1 °C1 Lard Heating Graph 250 200 150 100 50 10 20 30 40 50 Time (minutes) ) sao Bap) auneadwa

Question 1- Food stand You need to choose the correct oil for the donut fryer (power of the fryer is 2000W). The oil has plenty of time to heat up before opening, and you need it to stay as hot as possible to reduce the energy consumption when keeping the oil hot all day. You design an experiment to calculate the specific heat capacities of the oil. a) You decide to run your experiment for 5 minutes. Your results are in the table below. Use them to calculate the specific heat capacity of each oil, then choose an oil for your fryer based on these results. Oil type Mass (kg) Temperature at the start (°C) Temperature at the end (°C) Corn oil Vegetable oil Lard 2.3kg 2.1kg 3.2 kg 40 40 40 182 211 123 b) You realise that lard is solid when you take it out of the fridge. You decide to run an experiment starting from solid state. The graph of your results is below. Describe what is happening at each section of the graph. Then use this to calculate the total energy needed to heat 3.2kg of lard at 3°C out of the fridge to frying temperature of 200°C. The latent heat of fusion of lard is 60kJkg The specific heat capacity of lard when solid is 1.3kJkg1 °C1 Lard Heating Graph 250 200 150 100 50 10 20 30 40 50 Time (minutes) ) sao Bap) auneadwa

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Question 1- Food stand You need to choose the correct oil for the donut fryer (power of the fryer is 2000W). The oil has plenty of time to heat up before opening, and you need it to stay as hot as possible to reduce the energy consumption when keeping the oil hot all day. You design an experiment to calculate the specific heat capacities of the oil. a) You decide to run your experiment for 5 minutes. Your results are in the table below. Use them to calculate the specific heat capacity of each oil, then choose an oil for your fryer based on these results. Oil type Mass (kg) Corn oil Vegetable oil Lard 2.3kg 2.1kg 3.2 kg Temperature at the start (°C) 40 40 40 Temperature at the end (°C) 182 211 123 b) You realise that lard is solid when you take it out of the fridge. You decide to run an experiment starting from solid state. The graph of your results is below. Describe what is happening at each section of the graph. Then use this to calculate the total energy needed to heat 3.2kg of lard at 3°C out of the fridge to frying temperature of 200°C. The latent heat of fusion of lard is 60kJkg The specific heat capacity of lard when solid is 1.3kJkg1 °C-1 Lard Heating Graph 250 200 150 100 50 10 20 30 40 50 Time (minutes)
Transcribed Image Text:Question 1- Food stand You need to choose the correct oil for the donut fryer (power of the fryer is 2000W). The oil has plenty of time to heat up before opening, and you need it to stay as hot as possible to reduce the energy consumption when keeping the oil hot all day. You design an experiment to calculate the specific heat capacities of the oil. a) You decide to run your experiment for 5 minutes. Your results are in the table below. Use them to calculate the specific heat capacity of each oil, then choose an oil for your fryer based on these results. Oil type Mass (kg) Corn oil Vegetable oil Lard 2.3kg 2.1kg 3.2 kg Temperature at the start (°C) 40 40 40 Temperature at the end (°C) 182 211 123 b) You realise that lard is solid when you take it out of the fridge. You decide to run an experiment starting from solid state. The graph of your results is below. Describe what is happening at each section of the graph. Then use this to calculate the total energy needed to heat 3.2kg of lard at 3°C out of the fridge to frying temperature of 200°C. The latent heat of fusion of lard is 60kJkg The specific heat capacity of lard when solid is 1.3kJkg1 °C-1 Lard Heating Graph 250 200 150 100 50 10 20 30 40 50 Time (minutes)
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