When 0.15 kg of ice at 0 °C is mixed with 0.30 kg of water at 50°C in a container, the resulting temperature is 6.7 °C. Calculate the heat of fusion of ice. (Swater = 4186 J kg-1 K-1)

Q: Figure 7 shows the variation of temperature with time. If the mass of the metal is 7.5 kg. then the…

A: Given: Mass m=7.5 kg Rate of heat supplied Q=1000 Js-1

Q: How much heat must be added to raise a sample of 100g of water at 270K to 280K? J , and water's heat…

A: CONCEPT:

Q: How much heat is required to melt a 1.5-kg piece of ice and then warm up the water released by the…

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Q: have water vapor at -10°C

A: Given:- Water vapor at -10°C Find:- Is it possible to have water vapor at -10°C?

Q: A carbon dioxide laser used in surgery emits infrared radiation with a wavelength of 10.6 µm. In…

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Q: 2.61 At a temperature of 60°F, what pressure must be imposed in order for water to boil.

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Q: How much energy (in kJ) is required to heat 15.98 g of Ga(s) from 29.8 K (its melting point) to…

A: Given data: The mass of Ga in solid state, m=15.98 g. The initial temperature (melting point) of…

Q: A sample of gaseous krypton is heated with an electrical coil. If 39.5 Joules of energy are added to…

A: Given: Energy added, E = 39.5 joule  Mass, m = 11.5 g Initial temperature, Ti = 23 °C = 296 K

Q: A ring hole 3.31 cm in diameter at temprature 17 C is cut in a sheet of copper (a- 17 x 10-6 c-1).…

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Q: Calculate the energy released when 20.0g of water forms an ice cube in a freezer at 0.0°C. Latent…

A: Given data:  Mass (m) = 20.0 g = 20.0×10-3 kg Latent heat of fusion (Lf) = 3.33×105 J/kg Required:…

Q: Calculate the energy released when 14 g of liquid water lowers from 14 degrees Celsius to 0.0…

A: mass of water , m=14 grow=0.014 kgit is cooled from 14°C to 0°C & then freeze at 0°CSpecific…

Q: Which represents a greater change in temperature: an increase of 1°C. 1'F, or 1 K?

A: Comparatively, the 1 degree rise in the Celsius is hotter than 1 degree rise in Fahrenheit as 1…

Q: Calculate the heat needed to convert 15 g of ice at -10 degrees Celsius to liquid water at 30…

A: Given: The mass of ice is 15 g. The initial temperature is -10 degrees Celsius. The final…

Q: How much heat transfer is required to raise the temperature of a 0.75kg aluminum pot containing…

A: Given data: Mass of the aluminium pot is, mAl = 0.75 kg Mass of water contain in, aluminium pot is,…

Q: If the heat of fusion of water is 3.4 x 102 J/g, the amount of heat energy required to change 15.0…

A: Given that, The heat of fusion of water, H=3.4×102 J/g We need to find the amount of heat energy…

Q: If 5 kg of water freezes at 0ᵒ C, how many kilocalories of heat are liberated?

A: Amount of heat release when water freezes is called latent heat of fusion. Latent heat of fusion(L)=…

Q: Complete the following statement: A temperature decrease of 30 C° is equal to a temperature decrease…

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Q: A mass of 50 g of a certain metal at 150° C is immersed in 100 g of water at 11° C. The final…

A: Heat energy lost= heat energy gained Here, heat is lost by the metal and gained by water. Given:…

Q: How much energy (in calories) is released when 50.0 g of water is cooled from 25 °C to solid ice at…

A: Given data: Mass of water is, m=50.0 g=0.05 kg. Initial temperature is, T1=25∘C. Final temperature…

Q: To melt a sample of ice (Water) at 0°C required 3340 J. What is the mass (grams) of the sample?…

A: to melt a sample of ice at 0oC, heat required is 3340J latent heat of fusion of water 'L' =…

Q: What is the latent heat of fusion of a substance if it takes 4.5 x 10 4 J to melt 750 grams?

A: Given data: Energy energy (E) =4.5 × 104 J Mass (m) = 750 g = 0.750 kg Required: Latent heat of…

Q: If 500J of thermal energy is dissipated in 10s through a steel bar raising its temperature by 8K and…

A: Write the expression for thermal conductivity of the steel bar.

Q: How much heat is required to melt 175g of ice at 0°C? Hf = 334 J/g : Hv = 2260 J/g 58.5 kJ 395.5 kJ…

A: Melting process :- When any solid substance changes it's phase into liquid at constant temperature.…

Q: 4.5 kg of water at 33 °C is mixed with 4.5 kg of water at 49 °C in a well-insulated container.

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Q: A 2 kg piece of aluminum is heated from 20 ◦C to 130 ◦C. Calculate the amount of heat energy…

A: If a sample of mass mabsorbs/release H amount of heat then the sample undergoes a change (rise/fall)…

Q: 2. 8.00 L of a gas is collected at 60.0°C. What will be its volume upon cooling to 30.0°C?

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Q: To sterilize a 49-g glass baby bottle, we must raise its temperature from 22.0°C to 95.0°C. - How…

A: Given data:  Mass (m) = 49 g = 0.049 kg Initial temperature (T0) = 22.0°C Final temperature (T) =…

Q: A 6.0x10² g sample of water at 90°C is mixed with 4.00x10°g of water at 22.0°C, what is the final…

A: The heat used to increase the temperature of the substance is  H = m c (T'- T)  where, m is the…

Q: How much heat does one kilogram of water (c = 4,200 J / kg 0 C) accumulate when it is heats from 25…

A: Given data :                  Mass of water (m) = 1 kg                  Specific heat capacity of…

Q: How much heat is required to convert 5.0 kg of ice from a temperature of - 10 0C to water vapor at a…

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Q: To raise the temperature of 5kg of water from 20 to 30°C, a 2kg iron bar is heated and then dropped…

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Q: The equation for the power emitted by the human body is P = (5.67 × 10^-8)AT^4. If the area of the…

A: power emitted P =5.67x10-8 AT4 P emitted = σεA T4 Power radiated  = σεA (T4 - T04) Power radiated…

Q: A chunk of metal with a mass of 250.5 g at 76.8°C is placed in 0.1 kg of water initially at a…

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Q: Heat is added to 1 kg of water such that the temperature increases by 5 K. The specific heat…

A: Heat addition to increase the temperature of a material is called the specific heat addition to the…

Q: The specific heat of ice is 2.100 kJ/kg °C, the heat of fusion for ice at 0°C is 333.7 kJ/kg, the…

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Q: If it takes 300 kJ to melt 5 kg of a substance, what is its latent heat of fusion.

A: The latent heat of fusion is the energy required in phase transition per unit weight.

Q: Calculate the amount of heat (in kJ) needed to raise the temperature of 50.0g of water 20.0°C to…

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Q: A large paraffin candle has a mass of 96.83 gram. A metal cup with 100.0 mL of water at 16.2°C…

A: The amount of heat requires to raise the temperature of the water is:

Q: given 1,000,000 J of ebergy, what is the maximum amount of gold you can melt? The latent heat of…

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Q: How much heat is required to change temperature of 10g of water from 4°C to 8°C?

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Q: How much heat joules is needed of 5.5 L of water to raise the temperature of of water from 0°C to…

A: Given-  Volume of water , V = 5.5 L Initial temperature of water, Ti = 0o C  Final temperature of…

Q: How much heat is necessary to change 30 g of water at 10°C into water at 80°C? Group of answer…

A: mw=30 gInitial temperature of water=Ti=10°CFinal temperature of water=Tf=80°CSpecific heat…

Q: How much energy in Joules is required to melt 415g of ice? The latent heat of fusion of ice is: Lf =…

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Q: Calculate the total amount of energy (in kJ) required to heat 0.2 kg of Mercury from its melting…

A: The amount of heat required is, Q=mCT2-T1 the specific heat capacity is 140 J/kgK or J/kgoC.

Q: Assume that the total surface area of a person's body is 1.9 m2 and his skin temprature is 10.5 °C…

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Q: Thirty-two joules of heat is added to a 255 gram iron bar How much will the iron bar’s temperature…

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Q: How many kilocalories are generated when the brakes are used to bring a 1200-kg car to rest from a…

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