A 0.310 kg aluminum bowl holding 0.795 kg of soup at 25.0°C is placed in a freezer. What is the final temperature (in °C) if 373 kJ of energy is transferred from the bowl and soup, assuming the soup's thermal properties are the same as that of water? °C
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- Water at 16.0 °C is sprayed onto 0.230 kg of molten gold at 1063 °C (its melting point). The water boils away, forming steam at 100.0 °C and leaving solid gold at 1063 °C. What is the minimum mass of water that must be used? mw =The temperature of a 5.00-kg lead brick is increased by 525 C°. If the specific heat capacity of lead is 128 J/(kg.C°), what is the increase in the mass of the lead brick when it has reached its final temperature? O 5.80 × 10- -11 kg O 9.12 × 10-11 kg O 1.60 × 10-12 kg O 3.73 × 10-12 kg O 2.80 × 10-12 kgA student obtains the following data in a calorimetry experiment designed to measure the specific heat of aluminum. Initial temperature of water and calorimeter 70.3°C Mass of water 0.402 kg Mass of calorimeter 0.04 kg Specific heat of calorimeter 0.60 kJ/kg.°C Initial temperature of aluminum Mass of aluminum Final temperature of mixture (a) Use these data to determine the specific heat of aluminum. J/kg. °C (b) Is your result within 15% of 900 J/kg . °C? Yes No Need Help? 26.8°C 0.199 kg 66.4°C Read It
- A 0.290 kg aluminum bowl holding 0.815 kg of soup at 25.0°C is placed in a freezer. What is the final temperature (in °C) if 391 kJ of energy is transferred from the bowl and soup, assuming the soup's thermal properties are the same as that of water? °CA 1,240 kg car going 30 m/s is brought to a stop using its brakes. Let's assume that a total of approximately 30 kg of iron in the brakes and wheels absorbs the heat produced by the friction. (a) What was the car's original kinetic energy (in J)? J (b) After the car has stopped, what is the change in temperature (in °C) of the brakes and wheels? °CQuestion 7 Please write neatly
- Between 1793 and 1837, the U.S. penny was made entirely of copper and had a mass of 3.20 g. A coin collector accidentally drops one such penny from the balcony of his high-rise apartment, 36.0 m above the street. If 42.0% of the change in gravitational energy of the penny–Earth system is converted into internal energy of the penny, what is the increase in the temperature of the coin just before it impacts with the sidewalk? °CWater at 30.0 °C is sprayed onto 0.144 kg of molten gold at 1063 °C (its melting point). The water boils away, forming steam at 100.0 °C and leaving solid gold at 1063 °C. What is the minimum mass of water that must be used? mw =