From the rules that a good absorber of radiation is a good radiator and a good reflector is a poor absorber, state a rule relating the reflecting and radiating properties of a surface.

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: True or false The cooler a gas gets, the more thermal energy is releases.

A: Given Statment :  The cooler a gas gets, the more thermal energy is releases.

Q: Convection heat transfer coefficient means the ability of particle to transfer heat in liquids or…

A: Answer Convection heat transfer is the rate of heat transfer between a solid surface and fluid per…

Q: The same heat transfer into identical masses of different substances produces different temperature…

A: To determine: The final temperature of the different substances that produces different temperature…

Q: A box with a total surface area of 1.20 m2 and a wall thickness of 4.00 cm is made of an insulting…

A: Given Area of box A=1.20m2 Thickness t=0.04m Rate of heat transfer Q=10W Difference in temperature…

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: Given the parameters below, estimate the percent outside air in this simple single zone heating…

A: Outside air temperature= 5 C Return air temperature= 22 C Mixed air temperature = 18.3 C

Q: In order to measure the transfer of thermal energy from one temperature body to another, what device…

A: Explanation: A thermometer is an instrument that measures temperature (thermal energy).

Q: The process of heat transfer by the movement of mass from one place to another is called:…

A: Convection:The process of transfer of heat from one place to another by the movement of mass of the…

Q: What methods of heat transfer are involved when heat flows through a glass windowpane? Select all…

A:

Q: What is a thermal energy reservoir? Give some examples.

A: Thermal energy reservoirs are those reservoir of heat from where heat can be taken or given to them.…

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

A:

Q: An air conditioner expels 4.23  105 J of heat to the outside. If the indoor temperature is 16.2°C…

A: Given Data: The amount of heat expelled to the outside is: Q1=4.23×105 J The magnitude of the indoor…

Q: Which of the following represents the heat transfer mechanism from Sun? convection radiation none of…

A: There are three process by which the heat transfers take place-convection, conduction and radiation.…

Q: The diagram shows four slabs of different materials with equal thickness, placed side by side. Heat…

A: In the given diagram, we need to rank the materials according to their thermal conductivity.

Q: What is the rate of heat conduction through the 3.85-cm-thick fur of a large animal having a 2-m2…

A: Given,  Thickness, L = 3.85 cm = 0.0385 m Surface area, A = 2 m2 Animal skin temperature,…

Q: A 40-gram water with temperature of 60C is placed into a 60-gram aluminum cup of temperature 25C.…

A: Given: The mass (m1) of the water is 40 g. The mass (m2) of the aluminium cup is 60 g. The…

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

A:

Q: How much heat was lost by the horseshoe in vaporizing 0.0100 kg of water

A: Given data: The initial temperature of water is: Ti=22∘C The mass of the water is: m=0.0100 kg The…

Q: The two metallic strips that constitute some thermostats must differ in: * thickness length…

A: Thermostat are made with two different metallic strips that have different property of  linear…

Q: Many objects, such as train tracks and road joints, are specifically designed to allow extra space…

A: Concept used is expansion with rise in temperature

Q: What type of heat transfer is seen in the picture? Step a. insulation O b. radiation O c. convection…

A: To find: The type of heat transfer=??

Q: Complete the table to show the relationship among Kelvin, Celsius, and Fahrenheit temperature…

A:

Q: Give 3 examples that show thermal expansion that happens in houses explain

A: Thermal expansion is the tendency of a substance to change it's physical dimensions resulting in a…

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

A: To determine good insulator

Q: The structure of a house is such that it loses heat at a rate of 3800 kJ/h per °C difference between…

A:

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: fire in the fire place by the heat transfer through A.

A: Heat can travel from one place to another in three ways - conduction, convection and radiation. In…

Q: Identify whether the given situations are examples of conduction, convection or radiation. a. Solar…

A: a. Solar ultraviolet radiation, precisely the process that determines the Earth's temperature. It is…

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: What type of heat transfer is boiling water? A) radiation B) conduction C) convection D) None of the…

A: In boiling water heat transfer is due to convection by the difference of density between molecules.

Q: A simple solar energy heater is a glass-topped box containing rocks. Sunlight heats the rocks during…

A: Given:-  A simple solar energy heater is a glass-topped box containing rocks.  Sunlight heats the…

Q: Condensation of water in the air is an important process in determining the climate of an area. When…

A: Heat of condensation is just opposite to Heat of vaporization It is the amount of heat released when…

Q: What type of heat transfer is seen in the picture? Sun Space Earth O a. convection O b. conduction O…

A: Heat can be transferred via three methods : 1. conduction 2. convection 3. radiation.

Q: What kind of thermal conductivity and specific heat requirements would you specify for cooking…

A: For cooking utensils, it should have low specific heat. So it can easily attain the temperature of…

Q: Specific heat capacity of ice is 2093 J/kg °C. What will be this value in cal/g °C O a. 0.5 O b. 1…

A:

Q: Suppose the average solar energy incident on the green canopy (leaves) of a tree were 108 J per day.…

A:

Q: Steam at 100°C is passed into 20 g of water at 10°C. when water acquires a temperature of 80°C, the…

A:

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: A thermal conductor is heated at one end , What is the theoretical value of its thermal conductivity…

A: Heat flow rate (Q),

Q: State some differences between heat capacity and specific heat capacity.

A: Heat capacity is the heat required to raise the temperature of a substance by one degree Celsius.…

Ideal Gas Law

Ideal gas law states that the product of pressure and volume of a gas directly varies with the product of the number of moles, the universal gas constant, and the temperature of the gas.