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Molecular Physics | Thermodynamics
A rigid vessel of volume 0.86 m3 contains 1 kg of steam at a pressure of 2 bar. Evaluate the specific volume, temperature, dryness fraction, internal energy, enthalpy, and entropy of steam.
Molecular Physics | Thermodynamics
A machinist wishes to insert a silver rod with a diameter of 4 mm into a hole with a diameter of 3.993 mm. By how much would the machinist have to lower the temperature (in °C) of the rod to make it fit the hole?
Molecular Physics | Thermodynamics
A modern-day zeppelin holds 9,130 m3 of helium. Compute its maximum payload at sea level. (Assume the helium and air to be at 0°C and 1 atm.)
Molecular Physics | Thermodynamics
Determine the specific heat capacities at constant volume and constant pressure for methane, given that its molecular weight is 16 and the adiabatic index of expansion and compression is 1.13 the universal gas is 8314 j Kmol-1/K-1
Molecular Physics | Thermodynamics
An Ice cube at -35o C is added to 250 g of Apple juice in a 100 g glass cup both
at 25o C, Find the mass of the ice that make the hole system at 5o C where the
specific heat capacity for apple juice is 3.64 kJ/kg. o C, for the water is 4.18
kJ/kg. o C and for glass is 0.2 kJ/kg. o C while for ice is 2.108 kJ/kg. o C and
the fusion specific latent heat is 3.36 kJ/kg. o C.
at 25o C, Find the mass of the ice that make the hole system at 5o C where the
specific heat capacity for apple juice is 3.64 kJ/kg. o C, for the water is 4.18
kJ/kg. o C and for glass is 0.2 kJ/kg. o C while for ice is 2.108 kJ/kg. o C and
the fusion specific latent heat is 3.36 kJ/kg. o C.
Molecular Physics | Thermodynamics
The temperature of the water deceases to from 20 C to 0 C in 10 minutes. The mass of water is 200 grams. (specifi heat capacity of water = 4200J kg -1 K-1
i) Calculate the energy lost by the water when temperature decreases to 0 C
i) Calculate the energy lost by the water when temperature decreases to 0 C
Molecular Physics | Thermodynamics
How much energy is needed to change 5g of ice at 0 degrees Celsius to water at 20 degrees Celsius, given that specific heat capacity of water is 4. 2 J / g degrees Celsius.
Molecular Physics | Thermodynamics
Define Mandelstam variables
Molecular Physics | Thermodynamics
An open cylindrical tank 350 mm in diameter and 1.8 m high is inserted vertically into a body of water with open end down and floats with a 1300 N block of concrete (SG = 2.4) suspended at its lower end. Neglecting the weight of the cylinder, determine the Buoyant force on the concrete, and the depth of water that in the cylinder? What are the pressures inside the cylinder before and after inserting in water?
Molecular Physics | Thermodynamics
Calculate the mean free path of gas molecule in a chamber of 10-7 mm of
mercury pressure. Assuming the molecular diameter to be 3Ȧ. Two grams of
the molecule of the gas occupy 44.8 L at NTP. Consider the temperature of
the chamber to be 273K.
mercury pressure. Assuming the molecular diameter to be 3Ȧ. Two grams of
the molecule of the gas occupy 44.8 L at NTP. Consider the temperature of
the chamber to be 273K.
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#340153 on Dec 2023
#340153 on Dec 2023