In the laboratory a student finds that it takes 86.8 Joules to increase the temperature of 13.0 grams of solid iodine from 21.5 to 38.1 degrees Celsius. The specific heat of iodine calculated from her data is___________J/g°C

Q: Calculate 273.15 °C to °F

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Q: Question A small sphere of reference-grade iron with a specific heat of 447 J/kg.K and a mass of…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: 2. A bar having a diameter of 10 cm has a uniform temperature of 30 °C. It is placed in a medium at…

A: Given that  Diameter,d = 10 cm  r = 5 cm = 0.05 m  Uniform temperature = 30 C Ti = 740 C h = 20…

Q: .A block of ice as a horizontal cylinder(height=Ddiameter%3D10CM) at OC is placed in an environment…

A: Whenever ice is kept in a surrounding with a temperature higher than 0oC, the ice block slowly…

Q: A large vertical plate 4 m high is maintained at 60°C and exposed to atmospheric air at 10°C.…

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Q: Air at a dry ball temperature of 75 ° C and RH 4% is passed over the cooling coil until the air ball…

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Q: provided below, the critical radius and the activation energy if the nucleation is homogeneous. The…

A: Solution :Step 1 - Given data are               (i)      r = 0.204 J/m2               (ii) ∆Hf =…

Q: Propane gas at room temperature is burned with enough air so that combustion is complete and gases…

A: We have to find the no. of moles of gas are available for drying per mole of propane burned. Given…

Q: Aluminum has a specific heat of 0.897 J/g °C. How much heat is needed to raise the temperature of a…

A: Given: Specific heat = 0.897 J/g. C   Mass (m) = 79 gm Temperature: T1 = 25 C (ambient assumed), T2…

Q: Solvents such as diethyl ether ( b.p. 35 °C at 1 atm) and dichloromethane (b.p. 40 °C at 1 atm)…

A: Distillation is a process of separating different components from the crudes, based on their boiling…

Q: A meat processing factory’s raw effluent has a five day BOD at 20 degrees Celcius of 1760 mg/l. If…

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Q: The air at a dry ball temperature of 80 ° C and 8% RH is passed over the cooling coil so that the…

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Q: Convert 50 psia (lbf/in.2 absolute) to kPa:

A: The conversion of pressure from one unit to another is to be done.

Q: Equal masses of the three metals shown below are all initially at 25oC. copper (c = 0.385 J/goC)…

A: From the definition of specific heat we know, specific heat is measure of amount of heat required…

Q: Air at a dry ball temperature of 85° C and 5% RH is passed over the cooling coil so that the air dry…

A: Given Data: Dry bulb temperature TDB1 = 85 °C Relative Humidity RH% = 5% Dry bulb temperature TDB2 =…

Q: the amount of excess combustion air is normally determined by analysis of stack_____ a) the fuel…

A: Excess air is the air which is used in excess for combustion of various fuels (solids, liquid, and…

Q: The air has a dry ball temperature of 40 ° C and a wet bulb temperature of 20 ° C is initially…

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Q: In order to increase the temperature of an unknown metal sphere by 11.89°C. 875.13 J of heat was…

A: The density of a substance is defined as the mass contained in a unit volume of the substance. The…

Q: The air at a dry ball temperature of 80 oC and 4 % RH is passed over the cooling coil so that the…

A: From psychrometric chart at 80 oC dry bulb temperature and 4% relative humidity: Enthalpy: 138.4 kJ…

Q: None

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Q: A 44-g sample of liquid water at 25.0 C is mixed with 27 g of water at 45.0°C. The final temperature…

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Q: A spherical furnace has an inside diameter of 6 ft and an outside diameter of 8 ft. The furnace…

A: Given: Inside diameter is 6 ft Outside diameter is 8 ft (r1) Shell of two different materials each…

Q: The viscosity of benzene varies with temperature as shown in the following table. Use t data to…

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Q: 90. For a glass, thermal conductivity, density and specific heat are 0.78 W/mK, 2700 kg/m³ and 0.84…

A: Given  Thermal conductivity k = 0.78W/mK Density d = 2700 kg/ m2 Specific heat Cp = .84KJ/kg K…

Q: .Carburization process is applied to the surface of a steel containing 0.3% carbon.Methane gas (CH4)…

A: Given data: Initial concentration of carbon = 0.3 % Final concentration of carbon = 1.2 % Amount of…

Q: A tungsten chromium alloy contains 30% tungsten. The mass of the alloy is 10 kg. Determine the…

A: The total mass of the alloy, m = 10 kg.The mass fraction of tungsten in the alloy, y1 = 0.30The mass…

Q: 5. thick-walled tube of aluminum (k = 237 W/m °C) with 0.2m inner d 0.3m outer diameter (OD) is…

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Q: The air has a dry ball temperature of 32 ° C and a wet bulb temperature of 24 ° C is initially…

A: Initial dry bulb temperature of air, T1=320CFinal dry bulb temperature of air, T2=800CInitial wet…

Q: Water with mass of 293.07 grams and at 15oC. is heated at constant pressure. the water is completely…

A: for water isCP= 4.187 kJ/kgK, T1=15oC,T2=100oC Q=mCPT2-T1 Q=293.071000×4.187×100-15 KJ Q=104.3 KJ

Q: Q1// Calculate has the mass 3

A: Specific heat is defined as the amount of heat required to heat a unit mass of substance by 1 C…

Q: Dissolving 2 g of Lithium chloride in 50 g of water raises the water temperature by 5.1 °C Does…

A: LiCl + H2O ---------> LiOH + HCl mass of LiCl = 2 g mass of H2O= 50 g Room temperature = 25oC…

Q: 2. Calculate the speed of sound in helium gas at 500°F.

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Q: Determine: (a) the composition of the first solid to form upon cooling, making sure to draw the…

A: The temperature at which the metal in molten alloy state transforms into liquidus state is called…

Q: Consider a Cu-60wt% Ni-40% alloy , determine the following: (a) The liquidus and solidus temperature…

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Q: (For numbers I1 to 14) A thick-walled tube of stainless steel [k = 19 W/m-°C] with 2-cm inner…

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Q: Estimate the convective heat-transfer coefficient for natural convection from a horizontal steam…

A: Given data: Outside temperature of pipe = 80 0C Surrounding temperature = 25 0C Outside diameter of…

Q: Furnaces are used through out the industry to provide the O energy mass heat

A: A furnace (also referred to as a heater) can either be a unit used to heat an interior space through…