Molecular Physics | Thermodynamics Answers

a steam turbine receives steam at 1379 kpa gauge and exhausts it to a condenser where the vacuum is indicated as 635 mm of hg by a gauge. for a barometric pressure of 760 mm of Hg. calculate a) the absolute pressure of the turbine inlet, kpa b) the absolute pressure corresponding to the vacuum gauge reading, kpa and mm of hg

A nozzle is a device for increasing the velocity of a steadily flowing stream. At the inlet to a certain nozzle, the enthalpy of the fluid passing is 3000 kJ/kg and the velocity is 60 m/s. At the discharge end, the enthalpy is 2762 kJ/kg. The nozzle is horizontal and there is negligible heat loss from it. Calculate a. The velocity of the fluid at the exit b. the rate of flow of fluid when the inlet area is 0.1 m^2 and the specific volume at the inlet is 0.19 m^3/kg c. The exit area of the nozzle when the specific volume at the nozzle exit is 0.5 m^3/kg

A man walking on a light rope stretches out hands horizontally while remaining upright. Explain why he must do this

505g of solid lead at 100 C is heated to its melting point and converted completely to liquid lead. Calculate the amount of thermal energy required for this to happen.

Obtain an expression for mean free path of the molecules in a gas in the first order

approximation. Also, show that mean free path of the molecules in a gas decreases

when all molecules are moving

raw a flowchart for converting a total of the 28 different faharenheit temperature to celsius temperature?

A nozzle is a device for increasing the velocity of a steadily flowing stream. At the inlet to a certain nozzle, the enthalpy of the fluid passing is 3000 kJ/kg and the velocity is 60 m/s. At the discharge end, the enthalpy is 2762 kJ/kg. The nozzle is horizontal and there is negligible heat loss from it. Calculate:

a. The velocity of the fluid at the exit

An alloy contains two metals X and y of densities 4x10^3 and 6x10^3. Find the densities of the alloy given that the volume of X is thrice the volume of Y.

For a platinum wire, the coefficients of variation of resistance with temperature are α=3.94×10^(–3) °C^(–1)

and β=–5.82×10^(–7) °C^(–2).

A thermometer is fabricated using

this wire with

R0=12.00 Ω

where

R0 signifies the resistance of the material of wire

at ice point. When the thermometer is placed in contact with a heat bath, the

resistance is found to be

15.20Ω.

Calculate the temperature of the bath.

How many degrees of freedom does the gas molecules have if under standard

conditions the gas density is 1.3 kg m

^(–3)

and the velocity of sound in it is

v = 330 m s^(–1) .