Molecular Physics | Thermodynamics Answers

what does the ideal gas law (PV = NRT) predict about the volume of a sample of gas at absolute zero? why is this prediction incorrect?

the length of stem of a hydrometer is 10 cm and volume is 10cm3. While floating in pure water it sinks
to 5 cm mark. The mass of hydrometer is 200 gm.What will be density of liquid in which the hydrometer:
1. sinks to top of stem
2. sinks to bottom of stem

transverse waves are possible in solids but not in gases and liquids. why?

What are the benefits of conduction,convention and radiation in daily life?Explain in detail by some examples.

The coil of a resistance thermometer is made of platinum wire and has a resistance of 45 at 20° C. When immersed in a vessel of a boiling liquid the resistance increases to 90. Calculate the boiling point of the liquid. [Temperature coefficient of platinum wire is 3.92 × 10–3 °C– 1]

A balloon can hold 1000 cc of air before bursting. It contains 975 cc of air at 5 degree centigrade. Will it burst when it is taken into a house at 25 degree centigrade? Assume that the pressure of the gas remains constant in balloon.

1) What volume will a gas occupy at 740 mmpressure which at 1480 mm occupies 500cc?
2) At a given temperature the pressure of a gas reduces to 75% of its initial value and the volume increases by 40% of its initial value. Find temp. if the initial temp. was 10 degree celcius

What is the amount of heat required to raise the temperature of 2 moles of mono atomic gas under isobaric condition form 0 to 100 degree centigrade?

How many grams fo water vapor are in a 10.2 liter sample at 0.98 atmospheres and 26C?

sir could please tell me that can we store helium gas in a normal tube (two wheeler)???