3.69. A rigid vessel, filled to one-half its volume with liquid nitrogen at its normal boiling point, is allowed to warm to 25°C. What pressure is developed? The molar volume of liquid nitrogen at its normal boiling point is 34.7 cm³-mol-.

Q: Find the total capacitances 00 4

A: Total capacitance in series 1Cs = 1C1+1C2 1Cs=1100+13301Cs= 330 + 10033000 1Cs= 43033000Cs =…

Q: Athin isothermal disk, having a diameter of 1.8 cm, is maintained at 40◦C and buried in a…

A: Given  thermal conductivity k= 0.8 W/m· ◦C  diameter of disk is D = 1.8 cm  radius = 0.9 cm = 0.009…

Q: In the case of determining heat rates and fluxes, is power required for the system the same as the…

A: Heat rate: Heat rate is defined as amount of heat (energy) per unit time. Unit of energy may be…

Q: How many heat are needed to change 50 kg of ice at -10.0 °C to steam at 250 °C?

A: Given: m  = 50 kg Ti = -10.0 °C (Ice) Tf = 250 °C (Steam)

Q: What does this graph show?

A: This question is based on data analysis.

Q: Convert the following temperature. a. T=-40⁰F to ˚R, K, ˚C b. ∆T=-40⁰F to ˚R, K, ˚C

A:

Q: Determine the external pressure if ethanol boils at 60 °C?

A: The boiling point of Ethanol at new pressure(P2)=60oC To Calculate the pressure(P2)=?

Q: How many heat are needed to change 50.0 grams of ice at -15.0 °C to steam at 120.0 °C?

A: Given: mass of ice = 50g=50g×kg1000g=0.05kg temperature of ice = -15°C=-15+273K=258K temperature of…

Q: 5. Variable Heat Generation and Equation of Energy Change. A plane wall is insulated so that…

A: The plane wall is insulated and conduction occurs only in x direction The heat generation per unit…

Q: 7.1 What is condenser ? 7.2 What are the functions of a condenser in a thermal power plant? Give the…

A: A condenser is an essential component in thermal power plants, converting exhaust steam back into…

Q: What are the reasons for a tubular heat exchanger's internal leak? Describe the baffle rod's role in…

A: Internal leaks in tubular heat exchangers can occur due to various reasons.(1) Corrosion, erosion,…

Q: For heat transfer, We have thermal diffusivity and thermal conductivity. But For mass transfer, We…

A: Thermal conductivity is defined as the ability of a material to conduct heat. It is the heat…

Q: Record the T1 and T2 values. How much energy is required to heat 65.0 g ice to from 0 Celsius to 79…

A: Mass (m) = 65 gm T1 = 0 C = 273 K T2 = 79 C = 352 K.  specific heat capacity = 4.184 J/g.C To find :…

Q: A chiller cools liquid water for air-conditioning purposes. If 1.5 kg/s water at 20 °C, 100 kPa is…

A: given data,Initital temp, Ti = 200Cfinal temp., Tf = 50CInitial pressure, Pi = 100 kpamass of water…

Q: Water is poured into an insulating container. The water has mass m, = 1.2 kg and an initial…

A: Equilibrium temperature for the system is to be calculated.

Units and Dimensions

Dimensions are the basic concepts of the measurement of quantities. Units are the means of expressing the dimensions. For instance, an area has a dimension of L2 and a unit of m2.