We have 1lb of water at 25C in a paper cup. When you pour 30 g of boiling water into the cup, what will be the temperature of the resulting coffee-like mixture will be now. (Specific heat capacity of water is 1cal/(g*c), boiling temperature is 100C0 )

Q: A styrofoam cooler has a thickness of 1.10 cm and a total surface area of 2.20 m². If the outside…

A: Given data: Thickness of the cooler, d=1.10 cm =1.10×10-2 m Surface area of the cooler, A=2.20 m2…

Q: How much heat must be removed from 0.75 kg of water at 0 oC to make ice cubes at 0 C?

A: Removed heat= 250.5 kilo joule

Q: A.20 kg ice cube at 0.0° C has sufficient heat added to it to cause total melting, and the resulting…

A: The heat energy needed to melt the ice is Q1=mLf

Q: 2) 100.0 ml of water is cooled from 75°C to 25°C. Assume that the density of liquid water is 1.0…

A: Use formula -  Q = mc ∆T  Here  Q: Heat , c : specific heat , ∆T : temperature Change

Q: When a hot coffee is poured into a cup, how much heat is lost from the coffee to the 200-gram cup…

A: Mass m = 200 g Specific heat s= 0.20 cal/g-°C

Q: How much heat is required to raise the temperature from 30 °C to 300 °C of a iron skillet of mass…

A: Write the expression for the required heat. Here, m represents the mass, c represents the specific…

Q: A bottle is completely filled with gasoline. How much of the gasoline is lost from the container,…

A:

Q: When the indoor temperature of a house is 25°C and the outdoor temperature is -8°C, the inside and…

A: Given that, Temperature at inner surface (T in)=21.4° C Temperature at outer surface (T out)=17.1° C…

Q: A gasoline tank in a car has a capacity of 60 L at 20ºC. If the tank is fully filled without a…

A:

Q: If a steel bridge has a length of 4,200 feet and the temperature changes from 0°C to +40°C, what…

A:

Q: If 29.0 g of milk at a temperature of 3.95°C is added to a 260-g cup of coffee at a temperature…

A: Given Mass of milk is mm=29.0 g=29.0×10-3 kg Mass of coffee is mc=260 g=260×10-3 kg Initial…

Q: The specific latent heat of fusion for gold is 1.10x10^6 J/kg: How much energy is required to melt…

A:

Q: A 0.500 kg aluminum pan on a stove is used to heat 0.250 liters of water from 20.0 C to 80.0 C. How…

A: Given: The volume of the water is 0.25 L. The mass of aluminum is 0.5 kg The initial temperature of…

Q: How many joules of heat must be added to the 5.0kg of water at 20°C to bring it to the boiling point…

A: Given data: Mass (m) = 5.0 kg Initial temperature (T0) = 20°C Final temperature (T) = 100°C Specific…

Q: How much heat must be removed from 456 g of water at 25.0°C to change it into ice at -10.0°C? The…

A: MASS OF WATER, m = 456g ⇒ 0.456 KgINITIAL TEMPERATURE OF WATER, T1 = 25°CFINAL TEMTERATURE OF ICE,…

Q: A piece of copper whose mass is 15 kg has a specific heat capacity of 390 J/kg°C and is warmed by…

A:

Q: How much heat in joules must be added to 0.546 kg of aluminum to change it from a solid at 144 °C to…

A: The total heat energy required will be used for two purposes. Initially, a part of energy is used to…

Q: If 40 kcal of heat is added to 2.0 kg of water, what is the resulting temperature change?…

A:

Q: 20 kg of water at 0°C freezes and then cools to -20°C. If Lf = 334 kJ/kg and Cice= 2.05 kJ/kg·K, how…

A: given quantities: mass of water (m) = 20 kg latent heat of fusion (Lf) = 334 kJ/kg specific heat…

Q: A piece of aluminum whose mass is 10 kg has a specific heat capacity of 900 J/kgx°C and is warmed by…

A:

Q: How much water with temperature 60° needed to melt 3 kg of snow with temperaturer-8°C? Suppose snow…

A: Given: The initial temperature of the water is 60oC. The mass of the ice is 3 kg. The initial…

Q: A pot with 0.0001m3 of vegetable oil is being heated from 20 degrees Celsius to 100 degrees Celsius.…

A: Calculate the mass of te oil in the pot. Mass of the oil=Density×Volume                      =925…

Q: A 1.50-kg aluminum tea kettle contains 1.80kg water and placed on a stove. If there is no heat lost…

A:

Q: A wall is built of two metals (copper and aluminum) that are in thermal contact with each other. If…

A:

Q: How much thermal energy (in J) is required to boil 2.25 kg of water at 100.0°C into steam at…

A:

Q: How much heat is given off when 175g of water freezes at 0°C? Hf = 334 J/g; Hv = 2260 J/g O 58.5 kJ…

A: Total heat needed to freeze water mass m kg is given by, Q = mHf Hf = 334 J/g for ice.

Q: How much heat is required to melt 175g of ice at 0°C? Hf = 334 J/g : Hv = 2260 J/g 58.5 kJ 395.5 kJ…

A: Melting process :- When any solid substance changes it's phase into liquid at constant temperature.…

Q: if the temperature gradient is 4C per 100km and the specific heat capacity of the air is 0.2K…

A: We have air that moves with a velocity v=14 km/hr across a point P for t=14 hr with a temperature…

Q: A window glass 0.50-cm thick has dimensions of 3.0 m by 1.5 m. If the outside temperature is 40°C…

A: Given: The thickness (t) of the window is 0.50 cm. The dimensions of the window are 3 m by 1.5 m.…

Q: The average thermal conductivity of the walls (including windows) and roof of a house in the figure…

A: The formulas used to solve the problem are listed below. The volume of gas that must be burned will…

Q: How much ice at a temperature of -13.3 °C must be dropped into the water so that the final…

A: Given: mass of liquid water, M = 0.250 kg Temperature of water, Tw = 64.6 °C Temperature of ice,…

Q: A particular pair of human lungs have a volume of 2.5 L when inflated. At this volume, the…

A: The expansion and the compression of the lungs follows an adiabatic process. During an adiabatic…

Q: A gasoline tank in a car has a capacity of 60 L at 20°C. If the tank is fully filled without a…

A:

Q: One gram of water and 1 gram of soil (“land”) are at a temperature of 20°C (68°F). If 5 calories of…

A: The amount of heat transfer is given as, Here, m, c, Ti and Tf represent the mass, the specific…

Q: 1.4L of vegetable oil is being heated. Vegetable oil contains an average density of 930kg/m3 and a…

A: Given Volume V = 1.4 L Density ρ = 930 kg/m3 Specific heat C = 1670 J/kgoC Initial temperature Ti =…

Q: A 0.50 cm thick piece of copper has an area of 4.0 cm2. One side of the copper is at a temperature…

A: Given that, A 0.50 cm thick piece of copper has an area of 4.0 cm2. One side of the copper is at a…

Q: How much thermal energy (in J) is required to boil 1.90 kg of water at 100.0°C into steam at…

A: Given data: Mass of the water, m=1.90 kg Temperature difference, ΔT=157oC-100oC = 57oC Latent heat…

Q: In a warm room a naked resting person has a skin temperature of 33k°if the room temperature is…

A: Ans:- Image-1

Q: A hot steel plate with a surface area of 2.47 m2 and a constant surface temperature of 161°C is…

A:

Q: The exterior brick surface of a house has a surface area of 200 m^2 in the winter when the…

A: If the temperature of a surface with area A0 is increased from t0 to t1, then the area will…

Q: window glass 0.50-cm thick has dimensions of 3.0 m by 1.5 m. If the outside temperature is -10°C and…

A:

Q: What is the amount of heat energy absorbed by a copper of mass 300g if its temperature raises by…

A: Given : m = 300 g = 0.3 kg ∆T = 12°C c = 390 J/kg°C

Q: On a day where the air temperature is 5.2 °C, the wind starts to blow, which increases the surface…

A: In this question we have to determine the wind-chill temperature.

Q: One gram of ice at 0°C is placed on a container containing 2,000,000 cubic meters of water at 0°C.…

A: Given data: ice's mass m = 1 g  Initial temperature Ti = 0 oC final temperature Tf = 0 oC volume of…

Calorimetry

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