Can you please help me to answer this question? Please provide detailed explanation on how you get to the answer. Please do not omit any steps and please explain in detail specially part b. Thank you very much in advance!

maximum heat loss by water = mwsw(20) = 2 x 4186 x 20 = 167440 J
now let m kg mass of ice canbe melted
then mL + msi(20) = 167440
=> m(334000) + m(2109)(20) = 167440
=> m = 0.4451 kg
part b )

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Plastic parts can be made by a process called injection molding, where plastic is melted and injected into a mold at high pressure. It is then allowed to cool and harden, and the part is removed from the mold. At 105°C plastic fills the cavity You want to inject plastic at 105 °C into a...
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At 175 °C, a brass plate completely fills a frame which has dimensions 2.38 m by 1.67 m. Ignoring the thermal expansion of the frame, to what temperature would the brass plate need to be cooled so that it only fills 99.5% area of the frame? 2.38 m brass plate in the frame at 475...
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Constants Periodic Table Part A An insulated beaker with negligible mass contains liquid water with a mass of 0.250 kg and a temperature of 60.1 C How much ice at a temperature of-16.8 must be dropped into the water so that the final temperature of the system will be 24.0 C Take the specific heat of liquid water to be 4190 /kg , the specific heat of ice to be 2100 Jkg-K and...
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A copper cube is cooled from an initial temperature of 375 °C to a final temperature of 105 °C. By what percentage does its side length change? By what percentage does its volume change? By what percentage does its density change? For copper, the coefficient of linear expansion is 17.0 x 10-6 °C-1 copper cube
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PRACTICE IT Use the worked example above to help you solve this problem. A 4.90 kg block of ice at 0°C is added to an insulated container partially filled with 12.0 kq of water at 15.0°C. (a) Find the final temperature, neglecting the heat capacity of the container. -12.39 Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully.°C (b) Find the mass of the ice...
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thermometer at -10.0°C At -10.0°C, mercury in a thermometer completely fills a spherical cavity of radius r = 0.350 cm at the bottom of a glass tube. For mercury, the coefficient of volume expansion (B) is 1.82 10-4/°C. Calculate the increase in volume of the mercury if the temperature rises to +30.0 °C. The diameter...
A well-insulated, 64 fluid-ounce container is used for drinking water. Unfortunately, the water from the drinking fountain is about 75°F, a little too warm for average taste. To solve this problem, ice is added before filling it completely with water (volume of water and ice equals 64 fluid ounces). Calculate the precise amount of ice needed to cool the water to the coolest temperature that still provides optimal hydration (50°F) by the time all the ice melts and the temperature...
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