A steam boiler is made of steel and weighs 900 kg. The boiler contains 400 kg of water. Assuming that 70% of the heat is delivered to boiler and water, how much heat is required to raise the temperature of the whole from 100C to 1000C? Specific heat capacity of steel is 0.11 kcal/kg K. Express answer in kcal. choices a.) 44900 kcal b.) 64000 kcal c.) 36000 kcal d.) 81000 kcal

Q: What mass of steam at 100°C must be mixed with 415 g of ice at its melting point, in a thermally…

A:

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: a 7.56 m long aluminum pipe sits out in the sun. if the temperature goes from 15 c to 33 c how much…

A: Recall ∆L=αL∆T

Q: A coffee cup calorimeter contains 151.36 g of water at 22.50 °C. A 65.837 g piece of iron is heated…

A:

Q: A 3.00-g lead bullet at the temperature 30.0°C is fired at a speed of 240 m/s into a large block of…

A: Solution: given that m = 3 g T = 30 degree C V = 240 m/s ice Temp = 0 degree C

Q: During a bout with the flu an 80 kg man ran a fever of 102.2 °F instead of the normal body…

A: Given: The mass (m) of the man is 80 kg. The temperature (Tf) of the man is 102.2 degrees F. The…

Q: A hot (90.0°C) metal object has a mass of 286-g and a specific heat of 270 J/kg.°C. George drops the…

A: The mass of the metal object, m1 = 286 g = 0.286 kg The specific heat of the metal object, c1=270…

Q: A 100g cube of ice at 0°C is dropped into 1 kg of water that was originally at 80°C. What is the…

A:

Q: What mass of steam at 100°C must be mixed with 199 g of ice at its melting point, in a thermally…

A:

Q: A 10 kg of ice at 0 °C is mixed with 4 kg of steam at 100 °C in a thermally isolated container and…

A: Given data:  Mass of ice (m) = 10 kg at 0°C Latent heat of fusion (Lf) = 334000 J/kg Required: The…

Q: - The increase in internal energy of 1kg of water at 100°C when it is converted into steam at the…

A:

Q: A hole in a brass plate has a diameter of 1.20 cm at 20°C. What is the diameter of the hole when the…

A: Given that                    The coefficient of linear thermal expression for a brass is =…

Q: 50.0 g ice cube, intially at 0° C, is dropped into a Styrofoam cup containing 350 g of water,…

A:

Q: On a warm afternoon (26°C), James is making fruit punch while the ice is melting (0°C) in a bowl.…

A:

Q: A certain double-pane window consists of two glass sheets, each 80 cm x 80 cm x 0.30 cm, separated…

A:

Q: In a container of negligible mass, 0.360 kgkg of ice at an initial temperature of -39.0 ∘C∘C is…

A: Given data: The mass of ice is M=0.360 kg. The initial temperature is T1i=-39°C. The mass of water…

Q: An insulated beaker with negligible mass contains liquid water with a mass of 0.335 kgkg and a…

A: Write the mass of water in beaker. mw=0.335 kg   Write the initial temperature of the water in…

Q: In a container of negligible mass, 0.200 kg of ice at an initial temperature of -40.0℃ is mixed with…

A: Given values: Mass of the ice, M=0.200 kg Initial temperature of ice, Tice=-40.0 °C Initial…

Q: 1.  How long (in seconds) will it take to heat 40 kg of water from 40°C to 80°C with a 20-kW…

A: Since there are multiple questions posted, we will answer the first question. The heat energy needed…

Q: How much heat (in kJ) is needed to convert 566 g of ice at -10°C to steam at 126°C? (The specific…

A:

Q: 2m2 of water is converted into 2050 m3 of steam at atmospheric pressure and 100°C temperature. If…

A: From thermodynamics’ first law, the internal energy in the process can be expressed as,

Q: 1. If the temperature change of a steel pot is 5.69°C, then the same temperature change in…

A:

Q: How much mass (in grams) of aluminum initially at 150 °C must be added to 30og of water initially at…

A: Given The initial temperature of the aluminum is Ti(Al)=150°C. The mass of water is m=300 g. The…

Q: Following vigorous exercise, the body temperature of an 80.0-kg person is 40.0C. At what rate in…

A: The rate of reducing thermal energy can be determined as, P'=P+mCpT1-T2t

Q: 1. A 1.5kg iron horseshoe at 800C is droppes into a bucket of water at 20 C. If the mass of water in…

A:

Q: A 5.157 kg loose bag of soil falls from unknown height at a construction site. What is height in m…

A:

Q: A fluid called F has the same properties as water but its freezing point is 10degC and its boiling…

A:

Q: 15.

A:

Q: 1. A student wants to cool 0.25kg of diet soda (mostly water), initially at 25°C, by adding ice…

A:

Q: How much mass (in grams) of aluminum initially at 150 °C must be added to 400 g of water initially…

A: The mass of the water,

Q: In an experiment, a 125-g sample of an unknown metal is heated to 98.0°C. The metal is then placed…

A: The mass of an unknown sample is, m1=125 g The temperature difference of an unknown metal is,…

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: 0.25 kg cup of water from 55C to 82 C. How much energy would this take? (the specific heat of water…

A: As per the given data mass(m) = 0.25 kg               = 0.25×103g               = 250 g

Q: Large steel plates 1.0-cm in thickness are quenched from 600°C to 100°C by submerging them in an oil…

A:

Q: plastic cup of negligible mass contains 0.280 kgm of an unknown liquid at a temperature of 30.0°C. A…

A:

Q: A 2.0-kg aluminum block is originally at 10 degrees celcius. If 36 kJ of energy are added to the…

A: Given that:- Mass of aluminium=m=2kg

Q: For number 40, compute for the latent heat of fusion of water Table 1. Mass of ice (g) 26.1 Mass of…

A: We need to find the latent heat of fusion of ice based on the given experimental observation.

Q: A steam boiler is made of steel and weighs 900 kg. The boiler contains 400 kg of water Assuming that…

A: Given data: The mass of steel is ms=900 kg. The mass of water is mw=400 kg. The specific heat of…

Q: A 22 kg sample of ice is at 0.00° C. How much heat is needed to melt it? (For water L=334 kJ/kg and…

A:

Q: In a well-insulated bucket of negligible heat capacity, 0.32 Kg of water at 27 °C is mixed with ice…

A: According to question--- Given data-- Mass m = 0.32 kg. T1 = 27 degree C. T2 = 0 degree C. Cwater =…

Q: A heavy pot made of copper has a mass of 2.07 kg (including the lid) and is heated in an oven to a…

A:

Q: How much heat in joules must be added to 0.686 kg of aluminum to change it from a solid at 145 °C to…

A:

Q: On a warm afternoon (26°C), James is making fruit punch while the ice is melting (0°C) in a bowl.…

A:

Q: How many grams of coffee must evaporate from 350 g of coffee in a 100-g glass cup to cool the coffee…

A: The specific heat of a substance is the heat required to raise the temperature of the unit mass of a…