Question

10. Assuming the air pressure Midland, Texas is 710. mmHg, calculate the pressure 1of the gas in a manometer in Midland, Texas. Gas 420 mmHg CHALLENGE PROBLEMS: 1. A 20. m long gas pipeline made out of Schedule 40. PVC pipe that is 2.66 cm in diameter is used to transport butane to a residential house's stove. The pipe can withstand 9928.45 kPa at 23 °C. Determine the maximum mass of gas the pipe can hold. A paintball gun's air-tank is able to handle 3500.0 psi (24131 kPa) until the seal breaks. If the air-tank is filled with compressed air to a pressure of 3000.0 psi (20684.kPa) at a temperature of 24.444 °C, determine... 2. a....the pressure inside the air-tank if the paintball gun is brought outside orn a hot summer day and the temperature of the gas inside the tank reaches 39-5 °C b. Does the seal break under the conditions of part a?

Answer 1

Q10:

pressure of gas + 420 mm Hg = 710mm Hg. (External pressure)

Pressure of gas = (710 - 420)mm Hg = 290mm Hg

Q1:

Volume of gas pipe = (πr²)×length of tube = (22/7)(1.33cm)²×20.0×10²cm × 10^-3(L/cm³)

PV = nRT

9928.45×10³Pa× (1/101325)(atm/Pa) × (22/7)×1.33²×20×10²×10^-3 L = n × 0.0821atm-L/K.mol × (273.15+23)K

n = 1089.48877/(0.0821×296.15) = 44.8093moles

Mass of gas = number of moles × molar mass = 44.8093mol × 58g/mol = 2598.94g

Mass of gas pipe can hold = 2.59894 Kg = 2.6Kg (answer)

Q2)

P, T, T 2 068y kla P 297 yk 3)4.65 k ed brcaks but stho