2.4 g of water was evaporated from the surface of skin. How much heat, in the unit of kJ, was transferred from the body to the water to evaporate the water completely? The temperature of the skin is 33.5°C, and the latent heat of vaporization of water at 33.5°C is 43.6 kJ/mol. Molar mass of water is 18 g/mol

Q: If 134.3 kJ of heat are added to 2.10 × 102 g of water at 22.0°C, what is the final temperature of…

A: Let Q denotes the added heat, m denotes the water mass, S denotes the specific heat, Ti denotes the…

Q: A substance has a melting point of 20°C and a heat of fusion of 3.9 x 104 J/kg. The boiling point is…

A:

Q: Possibly useful information: The specific heat of (liquid) water is cw = 4186 J/(kg C° ). The heat…

A: Given: Mass of the ice m = 0.04 kg at temperature T = 0oC Mass of the steam M = 0.007 kg at…

Q: The quantity of heat Q that changes the temperature ∆T of a mass m of a substance is given by Q =…

A: Since, you have uploaded a question with multiple sub-parts, we will solve the first three sub-parts…

Q: copper pipe absorbs 3600 joules of heat as the temperature changes from 53.5°C to 70.0°C.  What is…

A: Given: The amount of heat absorbed by copper pipe is Q=3600 J. The initial temperature is T=53.5°C.…

Q: A 1.00 kg block of ice, at −25.0°C, is warmed by 35.0 kJ of energy. What is the final temperature of…

A: Q=mc(T2 - T1) Where, Q=heat energy (in joules)            m= mass of substance (in kg)            C=…

Q: A 0.250-kg aluminum bowl holding 0.800 kg of soup at 28.0°C is placed in a freezer. What is the…

A: Mass of aluminium is mal = 0.250 kg Mass of soup is mw = 0.800 kg Initial temperature of the soup is…

Q: FOLLOWING CONSTANTS ARE GIVEN FOR CALCULATIONS. Specific Heat of Water = 4186 J/kg °C, Specific Heat…

A: Heat received by iron ball = ms∆T

Q: Two blocks of metal are in contact with one another. The first block has unknown mass, specific heat…

A: Recall Q=mc∆TBy principle of calorimetryHeat lost by hotter body=heat gained by colder body

Q: The exterior wall of a house consists of three different building materials: 1.0 cm thick drywall…

A: We have givenL1=1.0 cm= 0.01m and k1=0.2 W/m°CL2=12 cm= 0.12 m and k2=0.048 W/m°CL1=2.0 cm= 0.02 m…

Q: A student measures the following data in a calorim- etry experiment designed to determine the…

A: given: initial temperature of water and calorimeter = 70o Cmass of water = 0.400 kgmass of…

Q: During the time when a man had flu he ran a fever 2.0°c above normal. His body temperature was 39°c…

A: Given that Change in temperature is ∆θ = 2°C Mass m = 80 kg Specific heat capacity C =4186 J/kg°c

Q: Suppose a person inhales and exhales 2.25 L of 37.0°C air, evaporating 4.2 × 10-2 g of water from…

A: a) The expression for Q is

Q: The initial temperature of the water and the beaker is Tw,b = 12.0°C. 1.) A copper sample (ccu = 387…

A: Given data: Specific heat of copper, CCu=387 J/kg.K Mass of the copper,mCu=75 g = 0.075 kg…

Q: 896 Joules of heat are added to 35.3 grams of water, initially at 20∘C20∘C. What is the final…

A: Given  heat added to water (Q)=1896 J mass of water (m)=35.3 gm initial temperature of water…

Q: The average thermal conductivity of the walls, roof and windows of a house is 0.480 W/mºC and the…

A:

Q: A 680 cm X 1000 cm house is built on a 17.2 cm thick concrete slab of thermal conductivity 0.8…

A:

Q: the mine transfers enough energy by heat to the mine's cooling systems to melt 363147 kg of ice at…

A: Given : Mass of ice (m) = 363147 kg Energy increased by 9.3 % Latent Heat of fusion of Ice (L) =…

Q: A 0.521 g sample of steam at 106.6 °C is condensed into a container with 5.35 g of water at 17.0 °C.…

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

Q: A student measures the following data in a calorimetry experiment designed to determine the specific…

A:

Q: Calculate the total heat required to convert 100 g ice at –15°C to steam at 120 °C. (Specific heat…

A: Scenario - Ice at a certain temperature is heated to melt to water and then it is further heated to…

Q: Two blocks of metal are in contact with one another. The first block has mass 4.3 kg, specific heat…

A: Given The mass of the first block is m1=4.3 kg. The specific heat of the first block is Cp1=678…

Q: The specific heat of ice is 2.10 kJ/kg.°C, the heat of fusion for ice at 0°C is 333.7 kJ/kg, the…

A:

Q: Let us represent the body's surface tissue as layer of thickness X1=5 cm which has a thermal…

A: The rate of heat loss is given by  H =KA(T'- T)d where, K is the coefficient of thermal…

Q: grams and at an initial temperature of 173oC in an isolated environment. When both the unknown…

A: Given data:-  The mass of the water mw = 9.51 grams The initial temperature of the water is Tiw =…

Q: 3.70 g of boiling water at 100.0°C was splashed onto a burn victim’s skin and cooled to 42.8°C on…

A:

Q: A 405-g sample of lead with specific heat cPb = 128 J/(kg · °C) at 87.0°C and a 220-g sample of…

A:

Q: 3.60 g of boiling water at 100.0°C was splashed onto a burn victim’s skin and cooled to 42.9°C on…

A:

Q: A student measures the following data in a calorimetry experiment designed to determine the specific…

A:

Q: A lizard of mass 4.30 g is warming itself in the bright sunlight. It casts a shadow of 1.60 cm2 on a…

A:

Q: Aluminum is often melted down for recycling purposes. Assuming 1 kg of aluminum is at 20 deg C (room…

A: Write the given values with the suitable variables. m=1 kgT1=20 °CC=899 J/kg°CT2=660 °CL=3.97×105…

Q: Two blocks of metal are in contact with one another. The first block has mass 9.6 kg, specific heat…

A: Given: The mass of the first block is 9.6 kg. The mass of the second ball is 8.3 kg. The specific…

Q: How much energy is required to raise the temperature of 6.52 kg of water from 24.67oC to 54.88oC?…

A: Given m=6.52 Kg T1=24.67 degree celsius T2=54.88 degree celsius C=4186 J/kg-C0

Q: A 0.867 kg sample of ethanol is in its liquid state at its boiling temperature of 78 C. If 1.93e5 J…

A: Consider an ethanol of mass m having latent heat of vaporization Lv and Qgiven is the amount of heat…

Q: A closed box is filled with dry ice at a temperature of -88.3 oC, while the outside temperature is…

A: The rate of heat conduction is given by

Q: A 1020 cm X 1120 cm house is built on a 15.2 cm thick concrete slab of thermal conductivity 0.64…

A: Given information: The area of the base of the house, A=1020 cm×1120 cm=10.20 m×11.20 m=114.24 m2…

Q: A 0.250-kg aluminum bowl holding 0.800 kg of soup at 27.6°C is placed in a freezer. What is the…

A:

Q: A 1100 cm X 1440 cm house is built on a 12.8 cm thick concrete slab of thermal conductivity 0.66…

A:

Q: A 0.250-kg aluminum bowl holding 0.800 kg of soup at 26.6°C is placed in a freezer. What is the…

A:

Q: An object has mass m, surface area A, temperature T, N molecules, and specific heat capacity c. The…

A: Given : An object has mass m, surface area A, temperature T, N molecules, and specific heat capacity…

Q: The core temperature of an athlete is 37 °C and his surface area is 1.8 m2. The thermal conductivity…

A: Given, Core temperature = 37∘C = 37+273 K = 310 K Area (A) = 1.8 m2 Thickness (l) = 6 mm = 6×10-3 m…

Q: You pour 330 g of water at 45°C into an 855-g aluminum container with an initial temperature of…

A:

Q: A copper cylinder has a mass of 0.0758 kg and a specific heat of 386 J/kg Co. It is heated to 80.5°…

A:

Q: A rectangular block of aluminum has the following dimensions: 1m x 1m x m. The density of aluminum…

A: Given value--- dimensions = 1m × 1m × 1m . density = 2700 kg/m3   We have to find--- weigh of…

Q: Measurement of specific heat of metals Aluminum Cupper Mass of inner cup of calorimeter mcal, g 50…

A:

Q: A person pours 330 g of water at 45°C into an 855-g aluminum container with an initial temperature…

A: Heat supplied, Q=mc∆T. Also notice the specific heat is same whether in K or degree centigrades.

Calorimetry

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