Molecular Physics | Thermodynamics Answers

Water enters the heater at 30^oC and leaves at 150^oF, what is the temperature difference in ^oC? answer in 2 decimal places

If the absolute temperature is 300 K, what is the equivalent in ^oR

Determine the pressure exerted on a diver at 30 m below the free surface of the sea. Assume a barometric pressure of 101 kPa and the specific gravity of sea water is 1.03. in 2 decimal places

A vacuum gage connected to a tank reads 30 kPa at a location where the barometric reading is 755 mm Hg. Determine the absolute pressure in kPa in the tank

A spacecraft of surface area of 60m² with a temperature of 600K if the radiation that it receives from the sun is equivalent to a temperature in space of 120K, find the net rate of loss of heat energy from the spacecraft

A cylinder contains argon at 150^•C. What is the average kinetic energy of each molecule?

1. Find the steady state temperature of the black body disc having radius 2cm and mass 7g at 45⁰C surrounding temperature, when kept initially at 28⁰C. Hence determine Stefan's constant.

Question 2

(a) Given that A ~ = (x + 2y + 4z)ˆ

i + (2x - 3y- z)ˆj +(4x-y + 2z)kˆ

(i). Show that the vector field A ~ is irrotational

(ii). Find the scalar potential φ such that A~ = ∇φ, if φ(0, 0, 0) = 1

) If F ~ = (3x2y-y2)ˆi + (2y - 4x)ˆj, evaluate "\\int" Fd~r along the curve C in the xy plane whose parametric representation is x = t and y = t3

from the point (1, 1) to (2, 8)