How much heat in kcal must be added to 0.57 kg of water at room temperature (20°C) to raise its temperature to 32°C?  =__________kcal

Q: A bimetallic strip is usable as a thermometer because of

A: A bimetallic strip converts temperature into chemical displacement. Hence, we use a bimetallic strip…

Q: A crate of fruit with a mass of 32.5 kg and a specific heat capacity of 3650 J/(kg K) slides 8.80 m…

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Q: When 12.27 grams of ice at - 20°C have absorbed 2500 calories of heat, what is the temperature of…

A: Given:-             mass of ice = 12.27 g      Ice temperature = -20° C total heat absorbed = 2500…

Q: How much heat in kcal must be added to 0.43 kg of water at room temperature (20°C) to raise its…

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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: The amount of heat required to raise the temperature of 2 kg of iron (sp. Heat = 0.115 kcal/kg-C)…

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Q: WITH INCREASING RELATIVE HUMIDITY 1. increase of the heat output by radiation 2. Reduction of the…

A: By increasing the relative humidity it increases the heat output by radiation due to the water vapor…

Q: How much heat must a gram of water at 15 celcius lose to turn into ice at -10 celciu

A: here heat looses heat and comes at 0°C .   we use Q= mc△θ and after this state of water will be…

Q: Air at 20°C with a convection heat transfer coefficient of 20 W/m2·K blows over a pond. The surface…

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Q: Which of the following about the thermal properties of water are correct? Select all that apply.…

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Q: How much heat is required to melt a 3-kg iron? A.272,000 J B.300,000 J C.816,300 J

A: Given: Mass of iron, m = 3 kg.   To Find: The amount of heat required for melting.

Q: When 200gm of hot coffee is poured into a cup, how much heat is lost from the coffee to the 200gm…

A: Given that,  The mass of the liquid, m is 200 gm. The initial temperature of the liquid, Ti is 70…

Q: How much energy (in MJ) is needed to raise the temperature of 0.152 m3 of water from 20.9˚C to…

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Q: The specific heat of copper is 0.093 cal/gCo, and the specific heat of aluminum is 0.22 cal/gCo. The…

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Q: 1000 kg of fish was placed on chiller box storage. The product temperature is 4°C.  Determine the…

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Q: A body is at 75 degrees and cools in the surroundings at 25 degrees. At what temperature will its…

A: Given data and information :- Temperature of body T (first case)= 75°Temperature of surroundings T0…

Q: The type of heat transfer that occurs in liquids and gases, such as warm air rising and cold air…

A: Convection:  It is a mode of heat transfer which occurs by the motion of a fluid due to density…

Q: Which is largest unit of heat transfer- Calorie, calorie, joule?

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Q: Roger heats a brass metal cube (specific heat = 375 J/kg·°C) to 70.0°C and places the cube into an…

A: Water is  initially at a temperature of 100CWater gains heat from the brass metal cube, which is at…

Q: An 55 gram silver spoon at 23 degrees C is place in a cup of coffee at 95 degrees C. The specific…

A: Data provided : Mass of spoon (m) = 55 gram Initial temperature (Ti) = 23 °C Specific heat of silver…

Q: Specific heat capacity of ice is 0.5 cal/g °C. What will be this value in J/kg °C а. 8761298 O b.…

A: It is known that 1 cal/g °C = 4186 J/kg °C .

Q: practice, a good insulator all of the above stops heat flow . speeds negative heat flow . slows heat…

A: To determine good insulator

Q: How much heat in kcal must be added to 0.58 kg of water at room temperature (20°C) to raise its…

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Q: What is the unit of calorific value?   A) kN/kg B) kJ/kg C) kW/sec D) kCal/sec

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Q: How much energy (in MJ) is needed to raise the temperature of 0.235 m3 of water from 23.5˚C to…

A: Specific heat capacity : the amount of heat necessary to alter the heat content of exactly one gram…

Q: Is a number which indicates the change in length per unit length per degree of temperature change…

A: Number which indicates the change in length per unit length per degree of temperature change is

Q: Specific heat capacity of ice is 0.5 cal/g °C. What will be this value in J/kg °C O a. 8761298 O b.…

A: Dear student 1 calorie is equal to 4.184 Joules. Joule is unit of heat in SI sysyem. And these are…

Q: Solve this problem: A 0.70 kg metal dish contains 1 kg of water at 20 degree celcius. A 0.50 kg…

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Q: A pure gold ring of 9.05 gram is heated to 72°C and dropped into 15.4 gram of water at 21.8°C. When…

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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 house is losing heat at a rate of 1800 kJ/h per °C temperature difference between the indoor and…

A: a) The temperature in Degree Celsius is related to the Kelvin scale as,

Q: Problem: How much steam at 100* is needed to just melt 5Kg of ice at - -15*C Heat loss= Heat gain…

A: According to principle of calorimetry Heat given by hot body= heat taken by cold body

Q: How much heat is needed to freeze 2 kg of water at 70 degree C to convert it to ice cubes at -11…

A: When heat energy is supplied or absorbed from an object , the temperature of the object will…

Q: What type of material are thermal insulator

A: Before discussing what type of material are thermal insulator. First let us discuss what is thermal…

Q: Question attached

A: The heat capacity measures the amount of heat necessary to raise the temperature of an object or…

Q: How much energy is needed to heat 6.2 kilograms of gold from a temperature of 0 °C up to its melting…

A: We know the heat required is given by Q=mC∆T Here  m=6.2 kg=6.2×103g C=0.031 cal/g°C…

Q: How much heat is necessary in kcal to change 15-lb of ice at -30 degrees C to water at 60 degrees C.…

A: Given data- mass of ice m=15 lb 1 lb=0.454 kg so m=15 × 0.454 kg=6.81 kg Lf=80 Kcal/Kg Lv=540…

Q: When 7.59 grams of ice at - 20°C have absorbed 2500 calories of heat, what is the temperature of the…

A: The heat required for a change in temperature of an object is given by Q = mc∆T, where m = the mass…

Q: How much heat is required to heat 1.5kg of water from 7degree Celsius to 85degree Celsius

A: Given, Mass of water,m=1.5 kg Change in temperature, ∆T=85-7=78 °C Specific heat capacity of water,…

Q: When 22.2 grams of ice at - 20°C have absorbed 2500 calories of heat, what is the temperature of the…

A: Given: The mass of the ice is 22.2 g. The absorbed energy by the ice is 2500 cal. The specific heat…

Q: What is a calorimeter? Name the material of which it is made of. Give two reasons for using the…

A: A calorimeter is a device used to measure heat during a mechanical, electrical or chemical reaction…

Q: Find the amount of energy required to raise the temperature of 1000 kg of seawater from 10°C to…

A: Given : m = 1000 kg T1 = 10°C T2 = 50°C c = 3900 J/kg.°C

Calorimetry

Measuring the heat transferred during chemical reactions or other physical processes is known as calorimetry. It comes under the branch of thermochemistry.