8 ft 36 ft 4 in 22 ft6 in

Q: Define the term heat. Name and state the SI unit of heat?

A: Heat is a form of energy that is transferred form one object to another. Any thermodynamic system…

Q: How much heat energy a heater needs to provide to heat up air in a 2,829-cubic feet room from 52…

A: Given data: Volume of air (V) = 2829 ft3 Initial temperature (T0) = 52°F Final temperature (T) =…

Q: The heat of vaporization of water is 2257 Joules/gram or 540 calories/gram. What energy in Joules is…

A:

Q: Qhat is the energy stored in a body that can be transmitted as heat

A: Heat is a form of energy and it flow due to temperature difference between two objects .

Q: A thermometer reading 18℉ is brought into a room where the temperature is 70℉. One minute later the…

A: Given data: The thermometer reading is T1=18°F. The room temperature is T0=70°F. The thermometer…

Q: In the Kelvin temperature scale, O*K is the lowest temperature that an object can have, known as…

A: 0K is known is Absolute Temperature.

Q: An electronics device generates 33.4 W of heat energy during normal operation.  The heat is…

A: Rate of heat generation,  Ambient air temperature,  Area of the top surface,  Convection heat…

Q: Two substances are warmed from 0°C. Their temperatures are plotted as a function of the amount of…

A: The specific heat of a substance is the amount of energy required to raise the temperature of one…

Q: The temperature of a 50 g sample of aluminum is raised from 20oC to 90oC when 770 cal of heat is…

A: Given,

Q: Air with a relative humidity of 30% at 20°C is pumped into a container. What is the maximum pressure…

A:

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

A:

Q: A brass calorimeter cup with a specific heat of 380 J/(kg · °C) contains vinegar with a specific…

A:

Q: Which term describes the amount of thermal energy required to change a liquid into a gas or a gas…

A: Given:1) The Which term describes the amount of thermal energy required to change a liquid into a…

Q: ries of energy to heat a small piece of aluminum from 100°F to 120°F. What is the mass of the piece…

A: GivenQ=2.7×103 calT1=100°FT2=120°F

Q: what is the difference between  heat transfer by conduction, convection and radiation

A: We know that, The heat transfer is slow in conduction. The heat transfer is faster in convection.…

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: A calorie is _____ times the energy of a calorie.

A: Here given calorie. We have to find how much times of the energy calorie is A calorie.

Q: A large glass beer mug that has a temperature of 0°C has a capacity of 1000.0 cc. The mug is filled…

A:

Q: A pot is filled with 9kg of water at 10 °C. Calculate how much heat energy would be needed to raise…

A:

Q: A value of H (where H is the net rate of radiation from a body) indicates a net heat flow into the…

A: H is the net rate of radiation from a body .Here sign of H will determine the nature or direction…

Q: temperature of the water

A:

Q: If no heat is lost to the environment, what is the specific heat of the cup material? [Hint:…

A:

Q: an 60 gram silver spoon at 21 degrees C is place in a cup of coffee at 95 degrees C. the specific…

A: Answer               218.4 cal

Q: 2. Four kg of water is placed in an enclosed volume of 1m3. Heat is added until the temperature is…

A:

Q: In calorimetry, explain the relationship of mass and temperature change of warm and cold water to…

A: Lowering the temperature of the metal during the transfer to the calorimeter is not going to change…

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: A 5-kilogram concrete block falls to the ground from a height of 10 meters. If all of its original…

A: The given values are, m=5 kgh=10 mCp=Cp,concrete=880 J/kg·K

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 75 gram silver spoon at 22 degrees C is place in a cup of coffee at 95 degrees C. The specific…

A: Given values -  Mass of spoon=ms=75 gramInitial temperature of spoon=Ti=22 CoFinal temperature of…

Q: If the mass a piece of aluminum is 2kg and the change in heat is 3K, how much heat does it generate?…

A: Given data,                mass of Aluminum, M = 2 kg                change in temperature, ∆T = 3 K…

Q: A new temperature scale is designed with freezing of water at 50 X and boiling at atmospheric…

A: value of absolute zero = -273 o C

Q: What is formula of temperature in thermodynamics

A: temperature is the degree of hotness or coolness

Q: What is the meaning of thermodynamics

A: Thermodynamics is the branch of Science that deals with  temperature related phenomenon and studying…

Q: Ex(1): What is the amount of heat energy necessary to raise temperature ( 3 kg ) of Aluminum from (…

A:

Q: "A 200.0 g china serving bowl is warmed 65.0°C when it absorbs 2.6 kcal of heat from a serving of…

A: Given quantities: mass of the bowl (m) = 200 g = 0.2 kg temperature change (dT) = 65 degree Celsius…

Q: ice at 0.00 C is added to 1.00kg of orange juice cooling it from 20.0 C to 5.00 C what mass of ice…

A:

Q: An incandescent light bulb with a surface area of 0.0128 m2 and an emissivity of 0.87 has a surface…

A: Given: The surface area of the bulb is 0.0128 m2. The emissivity is 0.87. The surface temperature of…

Q: A container of hot liquid is placed in a freezer that is kept at a constant temperature of 20°F. The…

A: Using Newton's law of cooling we have, the rate of change will be directly proportional to y-20.…

Q: You burn 22 g of a peanut and warm 75 g of water. The temperature of the water increases by a total…

A:

Q: The thermal conductivity of ice is 5.2 x 10^-4 kcal/m-s degrees Celsius. At what rate is heat lost…

A: Given, the thermal conductivity of ice is k = 5.2 x 10-4 kcal/m-s degrees Celsius. To find the rate…

Q: Ali heated four different materials for 15 minutes. The table shows the final temperature of each…

A: The material whose temperature increased more in the 15 minutes will be the good conductor. And…

Q: When a piece of aluminum foil is taken out of the oven and cools from 100°C to 50°C. What is the…

A: Given: The intial temperature is 100oC. The final temperature is 50oC.

Q: If you have an 8-oz cup of coffee that is 27 C and a 64-oz container of coffee that is 27 C; which…

A: The heat is nothing but the measure of internal energy stored in the object. Here in this case we…

Q: How much heat (in J) is needed to raise the temperature

A: Given that:- Mass=9kg T1=380 C, T2=8300 C /\T=T2-T1=7920 C C= Specific heat capacity of silver=230…

Q: How much natural gas does it take to heat a home? 26 litres of water between 0 and 30 degrees…

A:

Q: In Figure 1.1, the plunger of syringe is pushed in quickly, and the small pieces of paper inside it…

A: The process is an adiabatic process. The term adiabatic means sudden change in the state.…

Q: While forming a 1.50 kg aluminum statue, a metal smith heats the aluminum to 2700°C , pours it into…

A: Given: Mass of aluminium m =1.5kg  Temperature t1 = 2700 oC Temperature t2 = 23 oC Change of…

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: How much heat is required to totally melt 6 kg of aluminum which is at 30°C

A: Given data: Mass of the aluminum m= 6 kg Temperature T=30°C

Calorimetry

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