Question D1 30 g sweet potato strips originally placed in room temperature (25°C) was deep fried by an electric deep fryer containing 180°C peanut oil. Given that specific heat capacity of sweet potato = 3.50 J/g °C, specific heat capacity of peanut oil = 1.97 J/g °C, standard voltage in Hong Kong = 220V. (a) How much energy is required to heat up 30 g sweet potato strips to 180°C? (b) Given that the resistance of the deep fryer is 22.0 2, what is the power rating of the deep fryer? (c) Assume 10% of the energy delivered by the deep fryer is lost to the surroundings, how long does it take (i.e. time required) to heat up 30 g sweet potato strips to 180°C? (d) If it takes 4 more minutes to fry the sweet potato strips into crispy golden brown at 180°C, how much energy is delivered by the deep fryer throughout the whole cooking process. (Hint: whole cooking process includes heating the sweet potato strips from room temperature until the strips are crispy golden brown.)

Question D1 30 g sweet potato strips originally placed in room temperature (25°C) was deep fried by an electric deep fryer containing 180°C peanut oil. Given that specific heat capacity of sweet potato = 3.50 J/g °C, specific heat capacity of peanut oil = 1.97 J/g °C, standard voltage in Hong Kong = 220V. (a) How much energy is required to heat up 30 g sweet potato strips to 180°C? (b) Given that the resistance of the deep fryer is 22.0 2, what is the power rating of the deep fryer? (c) Assume 10% of the energy delivered by the deep fryer is lost to the surroundings, how long does it take (i.e. time required) to heat up 30 g sweet potato strips to 180°C? (d) If it takes 4 more minutes to fry the sweet potato strips into crispy golden brown at 180°C, how much energy is delivered by the deep fryer throughout the whole cooking process. (Hint: whole cooking process includes heating the sweet potato strips from room temperature until the strips are crispy golden brown.)