What is the best material to use to insulate a home?

Q: A 12-kg iron ball is dropped onto a pavement from a height of 130 m . Suppose that half of the heat…

A:

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: Chocolate candy in your hand will eventually melt as the heat from your body is released and makes…

A: This phenomenon is due to Conduction of heat. For detailed explanation see next step.

Q: What would a scientist use a calorimeter for?

A: Given that- Calorimeter To determined that - What would a scientist use a calorimeter for?

Q: to heat the lead if it has a specific heat capacity of .129 J/ g°C. Answer: 9-10. A 1000 g cube of…

A: Given: The mass of cube lead is m=1000 g. The initial temperature of cube lead is T1=25°C. The final…

Q: What properties of metal make them conduct heat better than wood?

A: A metal is a good conductor of heat whereas a wood is a bad conductor of heat. Metals have more…

Q: Why does a bimetallic strip bend with changes in temperature?

A: Bimetallic strip consists of two strips made of two different type of materials having different…

Q: A beaker of hot water is places on a bench. Describe all the ways in which it loses heat and suggest…

A: We know that any objects temperature will proceed towards ambient temperature to reach thermal…

Q: Water is used as a coolant in automobiles radiators because

A: Water is used as a coolant in automobiles radiators because it has high specific heat capacity.

Q: How can water be brought to a boil without heating it?

A: Boiling is the process when liquid phase changes to the gas phase.

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

A:

Q: Discuss the purpose of a layer of copper or aluminum on the bottoms of stainless steel cookware.

A: The cooking utensils are fabricated with a layer of copper or aluminium at the bottom so that the…

Q: A 9.75-kg sample of an unknown material requires 6.14 x 105 J of heat to change from a solid to a…

A: Given : m = 9.75 kg Q = 6.14 x 105 J

Q: Material Specific Heat (J/kg °C) water (pure) 4,184 aluminum 900 steel 470 silver 235 oil 1,900…

A: Given :- mass of aluminum piece (M) = 0.8 Kg increase in temperature (T) = 15oC  specific heat of…

Q: You have 4,499 g of water at 10 °C in a large insulating beaker. How much boiling water (in kg) at…

A: Given, Mass of water at 10°C = 4.499 g  Final temperature, T = 77° C

Q: What causes evaporation

A: There can be many factors that can cause evaporation. Temperature of the liquid: If the temperature…

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: What two energies are involved in the interaction of radiant energy?

A:

Q: Name several properties of materials that could be usedto make a thermometer.

A: Several properties of the materials that could be used to make a thermometer are,

Q: Why is insulation in an attic commonly thicker than the insulation in the walls of a house?

A: It is a basic law of physics that heat rises. Therefore, more heat can be lost at the ceiling or…

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: Hot sand cools off faster at night than plants and vegetation. Then, the specific heat capacity of…

A: Given Hot sand cools off faster at night than plants and vegetation. We have choose the correct…

Q: Based on heat capacity data, Material Iron Heat Capacity (J/g °C) 0.45 Cement Granite Wood 0.88 0.79…

A:

Q: How long will it take to cool the lemon squash

A: Given data;  Mass,m=0.5 kg Specific heat capacity,c=4200 J kg-1K-1Lemon squash,t1=300CLemon at cool,…

Q: 2.0 liter of 80 °C water is mixed with 500g of 40 °C water. What will be the thermal equilibrium of…

A: T= 72 degree Celsius Or  T= 345.15 Kelvin

Q: Which requires more heat: 1 g ice at 0° C or 1 g water

A: Given; 1g of ice at 00C or 1 g water at 00CWhich requires more heat to raise its temperature to…

Q: Insulation and thermal mass they both slow down the movement of heat transferred between the…

A: Insulation: It is a material that is used to stop the passage of heat b/w two surfaces. For example,…

Q: Solid A is placed in contact with solid B. Heat will flow spontaneously from A to B when O a. A is…

A: Temperature is defined as the degree of hotness or coldness of a body. Heat is the amount of energy…

Q: What is the energy needed to melt 0.55 kg of gold? (Use: Le of gold-63 kJ/kg) Select one: a. 34.65 J…

A: We are given latent heat of fusion of gold , Lf = 63 kJ/ kg This means to melt 1 Kg of gold , 63 kJ…

Q: Thermal conductivity of air is less than that of felt, but felt is a better heat insulator in…

A: the thermal conductivity of air is less than the felt where as the open air conduct heat  through…

Q: What is Conduction in physics ?

A: Conduction is the transfer of thermal energy or electric charge through a material through direct…

Q: What is the energy needed to melt 0.86 kg of gold? (Use: Lf of gold 63 kJ/kg) Select one: a. 32760 J…

A: Given Data: The mass of gold is, m = 0.86 kg. The latent heat of fusion of gold is, L = 63 kJ/kg.…

Q: What properties would a material need in order to be a better coolant than ice?

A: A coolant has the property to absorb more heat with minimum change in temperature. Ice has specific…

Q: Which material will make the best calorimeter? Foam cup O Glass cup O Aluminum can Plastic cup

A: Foam cup is a bad conductor of heat.

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: Structural groaning noises are sometimes heard in the attic of old buildings on cold nights. Give an…

A: In the older house different types of materials are used to make the whole house. These different…

Q: The specific heat of a yellow metal is twice as much as silver metal. If the same amount of energy…

A: Given: The specific heat of yellow metal is twice of silver metal. The mass of the yellow metal is 2…

Q: Describe one material that is a good insulator

A: Every materials have free electrons in it. So when some potential is applied to that material, the…

Q: You have 10 kg of an unknown solid substance.  You heat it from 0°C to 100°C.  This requires 130,000…

A: Given data:  Mass (m) = 10 kg Initial temperature (T0) = 0 °C Final temperature (T) = 100°C Heat (Q)…

Q: Which of the following is the best insulator? Glass, copper, meat, iron, or water

A: