A candle is completely used up in heating 100 grams of waler from 10C k 20°C. How many candles will be used up in heating 500 grams of water o from 10°C to 18°C?

Q: A pan made of Al with a mass 0.50-kg is filled with 2.00-kg of water at 25°C and placed on a gas…

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Q: How much energy is required to change a 46.0-g ice cube from ice at -9.0°C to steam at 114°C? J

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Q: A 0.07-kg ice cube at -21° C is placed in 0.35 kg of 39°C water in a very well-insulated container.…

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Q: The hot water for a house is heated using solar power. If the solar cells on the roof of the house…

A: Intensity of sunlight = 1000 Wm2Area of roof of the house (A) = 6 m2Volume of water = 1 m3We know,…

Q: A(n) 90-g ice cube at 0°C is placed in 990 g of water at 30°C. What is the final temperature of the…

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Q: A(n) 90-g ice cube at 0°C is placed in 670 g of water at 24°C. What is the final temperature of the…

A: In this problem the theory of calorimetry needs to be applied which states that the total heat given…

Q: ou apply a flame to 2 L of water for a certain time and its temperature rises by 2°C. If you apply…

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Q: A 100-g cube of ice at 0°C is dropped into 1.0 kg of water that was originally at 80°C. What is the…

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Q: 60-g ice cube at 0°C is placed in 910 g of water at 28°C. What is the final temperature of the…

A: Consider ice of mass mi and at temperature, Ti is placed in the water of mass mw and at temperature…

Q: How much heat does it take to completely melt 71 g of ice that was initially at 0°C?

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Q: What is the temperature increase of 4 kg of water when 4.8 x 105 J is added? (Co = 4186 J/kg°C)

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Q: A sample of air gas is at 40 °C. If the pressure is held constant, to what temperature must the air…

A: According to Charles's LawIf the pressure of a gas is constant then the volume of the gas is…

Q: A loaf of bread at an initial temperature of 15C is placed in an oven at 80C. If after 30s, the…

A: Initial temperature of bread = 15oC temperature of oven = 80oC time taken = 30 seconds temperature…

Q: (n) 65-g ice cube at 0°C is placed in 730 g of water at 30°C. What is the final temperature of the…

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Q: Inside of a calorimeter (insulated container) is placed 200g of water at 20°C.  The lid of the…

A: Given  Mass of water=200 g Mass of lead=50 g

Q: A(n) 90-g ice cube at 0°C is placed in 760 g of water at 24°C. What is the final temperature of the…

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Q: How much energy is required to change a 50-g ice cube from ice at−15°C to steam at 140°C?

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Q: How much energy is required to convert 20 kg of ice at -5 ° C into water vapor at 120 ° C?

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Q: How much energy is required to change a 20-g ice cube from ice at  −40°C to steam at 105°C? In MJ

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Q: A 100g ice cube at -10C is placed in a 200g aluminum cup containing 150g water at70 degree C. A 50…

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Q: you drop 358 grams of iron at an initial temperature of 87 C into 628 grams of 4 C water and wait…

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Q: A(n) 60-g ice cube at 0°C is placed in 970 g of water at 22°C. What is the final temperature of the…

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Q: What mass of ice at 0° is necessary to cool 150 g of water from 25°C to 0°C?

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Q: A 0.500 kg aluminum pan on a stove is used to heat 0.250 liters of water from 20.0°C to 80.0°C. How…

A: Heat transfer depends on three factors, the mass of the system, temperature change, and substance…

Q: A 83-g ice cube at 0°C is placed in 680 g of water at 20°C. What is the final temperature of the…

A: It is given that, mw=680 gmi=83 gcw=1 cal/g.CoLf=80 cal/g

Q: How much energy is required to change a 44.0-g ice cube from ice at -13.0°C to steam at 116°C?

A: It is given that,

Q: 4.5 kg of aluminum at 190 C is added to 3.5 kg of water at 20 C. What is the resulting equilibrium…

A: Mass of aluminum mal = 4.5 KgThe initial temperature of aluminum Tal = 190Mass of water m = 3.5KgThe…

Q: How much energy does it take to warm up 4.8kg of iron from room temp. to 400 degrees Celsius?

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Q: By how many millimeters does a 0.8 m long plank of pine wood shrink when the temperature decreases…

A: Given data *The length of the plank of pine wood is L0 = 0.8 m *The change in the temperature is…

Q: A 120 g iron bar (specific heat = 450J/kgøC) at 100 øC is placed into 225 g of water at 35 øC. What…

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Q: How much energy is required to change a 25-g ice cube from ice at  −20°C to steam at 115°C?

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Q: What will be the temperature (in degrees Celsius) of a 5kg water initially at 10 degrees Celsius…

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Q: How many kilograms of nickel must be added to 2.4 kg of copper to yield a solidus temperature of…

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Q: 10kg of ice at -10°C is added to 100kg of 20°C water. What is the eventual temperature , in °C, of…

A: Mass of ice m1= 10 kgMass of water m2=100 kgInitial temperature of ice T1=-10°CInitial temperature…

Q: A(n) 60-g ice cube at 0°C is placed in 730 g of water at 22°C. What is the final temperature of the…

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Q: energy is required to change a 42.0-g ice cube from ice at -7.0°C to steam

A: Given: Mass of ice is m=42 g Initial temperature of ice is Ti=-7° C Final temperature of ice is…

Q: What would be the final temperature of a mixture of 100 g of water at 20 C temperature and 150 g of…

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Q: A(n) 85-g ice cube at 0°C is placed in 990 g of water at 28°C. What is the final temperature of the…

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Q: The temperature change of 1 oF is equivalent to a temperature change of 1 oC. TRUE OR FALSE

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Q: A loaf of bread at an initial temperature of 15C is placed in an oven at 80C. If after 30s, the…

A: We can use Newton's formula for cooling for this problem. It is given by…