Substances Solids Aluminum Concrete Copper Glass Human Body (37°C) Iron, steel Liquids Water Mercury Specific heat (c) J/kg C 900 840 387 840 3500 452 4186 139 kcal/kg C 0.215 0.20 0.0924 0.20 0.83 0.108 1.000 0.0333

Q: A 50.0 g iron rod is heated to an unknown initial temperature. While cooling down to a temperature…

A: According to equation of specific heat -  Q=mc∆T Where,  Q= Heat gain and loss  m = Mass  c =…

Q: relation between the

A: Given: Mass of copper is 20 g Heat is 478.2 J Temperature from 12oC to 87oC

Q: A platinum bar increases in length by 0.1% when its temperature increases to 111°C. a. Draw the…

A: Given Change in temperature ∆T = 111°C Increase in length ∆L          = 0.1% Find the coefficient of…

Q: A room air conditioner causes a temperature change of −6.40° C. A) What is the temperature change…

A:

Q: Calculate the rate of heat transfer from bottom to top of the slice in W/m2

A: Thermal Conductivity The thermal conductivity of a substance is the measure of the ability of the…

Q: .The power of an electric heater is 60watt . How Much time does it required to boil 100g of water…

A:

Q: In an electrically heated home, the temperature of the ground in contact with a concrete basement…

A: Write the given values with the suitable variables. T1=11.9 °CT2=19.6 °Cx=0.17 mA=6.9 m2 Here, T1,…

Q: $5

A: Given that,The heat absorbed or emitted by any substance in order to raise or lower its temperature…

Q: In an industrial factory, four different materials are heated up for the same temperature difference…

A: Specific heat capacity is the amount of heat required to change the heat content of 1 gram of…

Q: A cup contains 187 g of coffee at 97.6 °C. Suppose 56.2 g of ice is added to the coffee. What is the…

A: Assume that the ice is at 0°C (melting point of ice).  The net heat flow of the system must be zero.…

Q: The mass of an object is 0.201 kg. The object requires 15.0 J of heat to raise its temperature by…

A:

Q: A solid sphere has a temperature of 545 K. The sphere is melted down and recast into a cube that has…

A:

Q: A sphere of radius 0.50 m, temperature 25.0 °C, and emissivity 0.850 is located in an environment of…

A:

Q: A thermos contains 155 cm³ of coffee at 88.8 °C. To cool the coffee, you drop two 13.1-g ice cubes…

A: Given data   The volume of the thermosis(V)=155cm3   The initial temperature of the coffee is…

Q: (k-0.84 J/sm'C) in one minute if the temperature difference between two sides of the window is 10.…

A:

Q: Suppose a cold front blows into your area and drops thecurrent temperature of 90°F to 50.0°F. a.…

A: Hai, since there are multiple sub parts posted, we will answer the first three sub parts. (a) The…

Q: The temperature of water in a swimming pool decreases by 5.0 K during the night. The mass of the…

A: Given, The temperature of water decreases by 5 k mass of water in the pool is 560,000 kg specific…

Q: A 6.22-kg piece of copper that is heated absorbs 728 kJ of energy. If the copper starts at 20.5° C,…

A: Solution:-         Given,          Mass of copper(m)=6.22kg…

Q: The cat is fat. The cat’s fur and the cat’s fat provide the same amount of insulation. How much…

A: Given tha The thickness of the fur is ∆x1=1cm We know that  The thermal resistance is given by  Rθ…

Q: An average person is recommended to take in 2000 calories per day (8,400,000J), because they will…

A: An average person needs 8,400,000 J of energy. On a Saturday, a person takes 10,000,000 J of energy…

Q: When a body is heated, how fast the temperature of the body changes depends on the material. The…

A: Given:mass of block, mblockmass of container, mconmass of water, mwaterspecific heat of block,…

Q: Lava has an area of 0.80 m², and emissivity of 1.0, and a temperature of 1450 K. The temperature of…

A: Given,  Area = 0.8 m2  Emissivity = 1 Temperature = 1450K Temperature of surroundings = 300K We need…

Q: For a single pane window, as shown the thermal conductivity 1.4 W/m.k., the R-value for the window…

A: Given Data : The value of the thermal conductivity of the window is given as K=1.4 WmK The thickness…

Q: Consider a 0.63 kg sample of metal at room temperature of 20 deg C. The addition of 642,000 J…

A: Given data:  Mass (m) = 0.63 kg Initial temperature (Ti) = 20 °C Heat addition to increase the…

Q: At the peak temperature on a sunny but cold day, the speed of sound in air was measured to be about…

A: Given data The speed of sound in air is v=316 m/s The speed of sound in air, v=331TK273.15316…

Q: You transfer heat energy into a .500 kg solid sample of an unknown substance at a constant rate of…

A:

Q: A sample of a liquid has a mass m and a specific heat capacity c.  When an amount of heat Q is…

A: The heat supplied to a mass can be expressed, dQ = mc dT Where, dQ = heat supplied  m = unit mass  c…

Q: A. An ice cube is 20 mm on a side. How much energy is needed to melt the ice cubes if their initial…

A: Given:-  The side of the cube is a = 20 mm  The initial temperature of the ice cube is Ti = 32oF =…

Q: If 1500 J of heat are added to 70 g of water initially at 20 ° C, a. how much energy is this in…

A:

Q: A 39 g metal ball is heated with 2844 J of energy. The specific heat of the metal ball is 0.35…

A:

Q: A 1.5mx0.8m double glass window consists of two glass(k=0.78 W/mC) layers with a 4 mm thickness for…

A: Given, Area, A=1.5 m×0.8 m=1.2 m2, Length of glass pane, L=4 mm=0.004 m, Length of air gap, L1=10…

Q: Question 29 options: 20 liters of air at 248 Kelvin is compressed into a 9-liter container.…

A: The combined gas law states that the product of the pressure and volume of a gas is directly…

Q: On a multi-layered square wall, the thermal resistance of the first layer is 0.005 ° C / W, the…

A: Thermal resistances are 0.005 °C/w, 0.2 °C/W, 0.1 °C/W ∆T = 60°C

Q: The change in temperature of a substance when heated, depends on its specific heat capacity. a. If…

A: Given: Specific heat capacity of lead (Clead)=120 J/kgk Mass of lead ball (m) = 0.50 kg Initial…

Q: A superhero is building a suit of armor made of Vibranium (Vb). To mold the headpiece of this suit,…

A: Given: The melting point of Tm=3297 K. The mass of the metal is mVb=1 kg. The  loss of heat is…

Q: In an electrically heated home, the temperature of the ground in contact with a concrete basement…

A:

Q: An aluminum cup contains 225 g of water and a 40-g copper stirrer, all at 27°C. A 424-g sample of…

A:

Q: Muffins are taken out of the oven with a temperature of 200°F and are placed on a cooling rack with…

A:

Q: An aluminum cup contains 225 g of water and a 40-g copper stirrer, all at 27°C. A 492-g sample of…

A: Given: The mass of water is mw=225 g. The mass of copper stirrer is mc=40 g. The temperature of cup…