A quantity of steam (550 g) at 118°C is condensed, and the resulting water is frozen into ice at 0°C. How much heat was removed?

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A new liquid substance has been discovered that freezes at -23°C. A scientist poured the liquid (which was at -23°C) Into a 0.6 kg cup (Coup = 793 J/kg-K) which caused some, but not all, of the liquid to freeze (only 0.216 kg of the liquid froze). As a result, the liquid lost 40,000 J of heat until thermal equilibrium was reached. Determine the latent heat of the substance & the Initial temperature of the cup. Topul °℃

A glass container with an insulating cover with a surface area of ( R +150)cm2 and (R+10)mm thick is filled with ice at 0 °C and placed in a second vessel maintained at a temperature of (R+ 80)°C. Find the mass of the ice that melts per minute when the flow of heat becomes steady. Specific latent heat of ice = 3.36×105J/kg and K for glass is 1W/mK.  R= 83

A person tries to cool down her bath water by adding 5.0 Kg of ice at 0°C to 75.0 Kg of water at 70°C. What is the final temperature of the water? (Lf = 333 KJ/Kg & cH2O =4186 J/Kg°C)

A blacksmith cools a chunk of iron initially at 650 degrees celsius by trickling water from a jug over it. The water in the jug has a temperature of 15 degrees celsius. All of the water boils away and the iron chunk cools down 120 degrees celsius. If, in total, he poured 0.90 kg of water over the iron, what is the mass of this chunk of iron?

What is the ratio of the energy required to warm 125 g of Ice (0.0 \deg C) to body temperature (37 \deg C) to warming the same amount of water through the same temperature change? Answer format is the number Eice/Ewater = (2 significant figures) Latent Heat of Fusion of Water: 335, 000 J/kg Specific Heat Capacity of Water: 4186 J/kg/\deg C

A bar of pure gold is heated to 105.0 °C. The specific heat capacity of gold is 1.29x10² J/1kg~°C). The gold is placed into 600.0 mL of ethyl alcohol initially at a temperature of 35.0 °C. The final temperature of the mixture is 37.0 °C. What is the mass of the gold?

Steam at 100°C is condensed into a 62.0 g brass calorimeter cup containing 220 g of water at 21.0°C. Determine the amount of steam (in g) needed for the system to reach a final temperature of 48.0°C. The specific heat of brass is 380 J/(kg · °C).

How much heat does it take to boil 1.0 m³ H₂O at 100K? Assume the specific heat of ice is 2090 J/(kg K), and the specific heat of water is 4190 J/(kg K). Q = 3.1x10³¹ J