Specific heat of an unknown substance is given as 0.86 cal/g°C. What is the value of specific heat in the Sl units (J/kg.K)?

Q: How much in peso is the cost of boiling 13.2 L of water from 22 °C using a heavy cook pot with mass…

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Q: How much heat must be added when a 5.0 kilogram block of copper is warmed from a temperature of…

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Q: The SI unit for temperature is

A: Dear student There are 7 fundamental physical quantities. And Temperature is ome of them. Every…

Q: How much heat is lost if 60 g of iron is cooled from 80 °C to 15 °C? The specific heat capacity of…

A: The heat lost is given by  H = m c (T' - T) where, m is the mass, c is the specific heat and T' - T…

Q: 1. 500J of work are done on a system in a process that decreases the system’s thermal energy by…

A: According to the first law of thermodynamics, ∆U=Q+WQ=∆U-W Here, ∆U is the change in the internal…

Q: A 30-kg child has a temperature of 39 °C. How much heat must be removed from the child’s body to…

A: The change in thermal energy is given by

Q: A window glass that is 0.5 cm thick has dimensions of 3 m by 1.5 m. The thermal conductivity of this…

A: Givend = 0.5 cm = 0.005 m

Q: How much heat is transferred in 9 minutes through a glass window of size 1.4 m by 1.3 m, if its…

A: Solution:

Q: Liquid sulfur vaporizes at 445 °C. If it takes 28125 J to convert 20 grams of 445 °C liquid sulfur…

A: Latent heat of vaporization

Q: A yacht has an aluminum hull 5 mm thick whose under water area is 100 m2. How much heat is conducted…

A: The area =100m2The interior temperature 20°cwater =12°cThe thermal conductivity is 0.057kcal

Q: FOLLOWING CONSTANTS ARE GIVEN FOR CALCULATIONS. Specific Heat of Water = 4186 J/kg °C, Specific Heat…

A: Heat received by iron ball = ms∆T

Q: What mass of water will change its temperature by 3 °C when 525 J of heat is added to it? The…

A: Given data:

Q: Dimensional formula for thermal conductivity is (here K denotes the temperature): 1) MLT–3…

A: Dimensional formula for thermal conductivity is (here K denotes the temperature)

Q: How much heat is required to raise the temperature from 30 °C to 300 °C of a iron skillet of mass…

A: Write the expression for the required heat. Here, m represents the mass, c represents the specific…

Q: If the specific heat of water is 4,186 J/kg∙°C, how much heat is required to increase  the…

A: Given: The mass of the water is 1.2 kg. The specific heat of the water is 4186 J/kg.oC. The initial…

Q: What quantity of heat is required to raise the temperature of 450 grams of water from 15°C to 85°C?…

A:

Q: A 69g block of metal has a specific heat of 1.29J. What will be the temperature of this metal to one…

A: Given :-  mass of block   m  = 69 g = 0.069 kg specific heat C  = 1.29 J heat energy Q = 114 J…

Q: If 29.0 g of milk at a temperature of 3.95°C is added to a 260-g cup of coffee at a temperature…

A: Given Mass of milk is mm=29.0 g=29.0×10-3 kg Mass of coffee is mc=260 g=260×10-3 kg Initial…

Q: What will be the In (natural logarithmic) value of the temperature (t), if a sensor has medium…

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Q: Some amount of heat energy is removed from a 9cm X 22cm X 16cm block of ice to cool from 0°C to…

A: Dimensions of ice block = 9 cm , 22 cm , 16 cm Volume of ice block = 9×22×16 cm3= 3168 cm3Initial…

Q: Some amount of heat energy is removed from a 16cm X 26cm X 28cm block of ice to cool from 0°C to…

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Q: Some amount of heat energy is removed from a 6cm X 10cm X 25cm block of ice to cool from 0°C to…

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Q: How many joules of heat are needed to raise the temperature of 0.010 kg of aluminum from 22°C to…

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Q: How much heat must be absorbed by ice of mass 949 gram to melt completely? Provide the answer in kJ…

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Q: What is the specific heat of a metal substance if 135 kJ of heat is needed to raise 5.1 kg of the…

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Q: 40.lf 83680 J of heat are required to raise the temperature of 4 kg of water by 5 °C, then the…

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Q: The specific heat of gold is 0.129 J/g°C. How much heat is required to raise the temperature of 15…

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Q: In an experiment to determine the thermal conductivity of a bar of a new metal alloy, one end of the…

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Q: 0.5 kg of a material requires 4000 J to raise its temperature by 2 °C, what is the specific heat…

A: Given data:  Mass (m) = 0.5 kg = 500 g Heat energy (Q) = 4000 J Raise in temperature (ΔT) = 2°C…

Q: A cube of length 10cm is heated through a change in temperature of 70 oC. If the coefficient of…

A: Given: The length of the cube is 10 cm. The change in temperature is 70oC. The linear expansion…

Q: A hot steel plate with a surface area of 1.52 m2 and a constant surface temperature of 166°C is…

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Q: When the indoor temperature of a house is 25°C and the outdoor temperature is -8°C, the inside and…

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Q: In a laboratory experiment, 16.0 J of heat raised the temperature of a 199-g object from 25.0° C to…

A:

Q: The area of the skin of an adult human being is about 2.10m^2. If the temperature of the skin of an…

A: Solution: Given that A = 2.1 m2 T0 = 26 C T=36

Q: How much energy is required to increase the temperature of 0.02 kg water by 1°C? [specific heat of…

A: Given data: Mass (m) = 0.02 kg Increase in temperature (ΔT) = 1°C Specific heat capacity of water…

Q: If 29.5 g of milk at a temperature of 4.20°C is added to a 240-g cup of coffee at a temperature…

A: We have milk of mass m1=29.5 g at temperature T1=4.2oC=277.2 K added to coffee of mass m2=240 g and…

Q: how much heat is lost when a 640 g piece of copper cools from 375oc ,to 26oc?(the specific heat of…

A: Mass , m= 640 gm = 0.64 kg Initial temperature , T1 = 375 °C Final temperature , T2 = 26 °C…

Q: To what temperature will 7900 J of heat raise 2.5 kg of water that is initially at 16.0 ∘C? The…

A: Given:Heat transferred, Q = 7900 JSpecific heat of water, SW = 4186 J/kg °Cmass, m = 2.5…

Q: 24) It is necessary to determine the specific heat of an unknown object. The mass of the object is…

A: We have an object of mass m=201 g=0.201 kg and it is given that heat required to raise the…

Q: How much energy, in J, is required to raise the temperature of 1 kg of water from 37oC to 39.5oC?…

A: Given  Temperature initial, T1 = 37°C  Final temperature, T2 = 39.5°C  Specific heat of water, c =…

Q: A hot steel plate with a surface area of 2.47 m2 and a constant surface temperature of 161°C is…

A:

Q: A human body has a temperature of 300 If its total surface area is 1.2 m2, what is the net rate of…

A: Given, Temperature of the body, Tb = 30 °Ctotal surface area of body, A = 1.2 m2surrounding…

Q: Luis and Salman are trying to increase the temperature of a substance by heating it. . What is the…

A: In the given question, Mass of the substance (m) = 1.2 kg Initial temperature ( T1 ) = 30 C = (3 +…

Q: The metric unit for measuring heat is the calorie. true or false

A: In the metric system heat is measured in units of calorie. calorie is defined as amount of heat…

Q: If the price electrical energy is $0.08 per kilowatt hour, what is the cost of using electrical…

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Q: If the heat is assumed to be generated 0.03 m below the skin, the temperature difference between the…

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Q: An incandescent light bulb with a surface area of 0.0120 m2 and an emissivity of 0.9 has a surface…

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Q: A hot steel plate with a surface area of 2.17 m2 and a constant surface temperature of 165°C is…

A:

Q: The rate of heat transfer on a cold day in the Canada through a rectangular window is 2336 W. The…

A: The Law of heat conduction is given as: Q.=kAT2-T1d where, Q. is rate rate of heat transferT2-T1 is…