A gasometer is a large tank for holding fuel gas. The weight of the movable cap determines the pressure of the gas contained within. A large gasometer like the one shown has a cap that is 40m in diameter with a mass of 500,000 kg. If Patmos = 100kPa a)What is the pressure of the gas inside; if the gasometer contains 30,000 kg of natural gas (methane), and the temperature is 10°C b)How high is the top of the cap above the water? if the temperature increases to 20°C c)What is the new height of the cap? d)What is the change in internal energy (kJ)? e)How much work was done (kJ)? f)How much thermal energy was absorbed (kJ)?

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Properties of Fluids

The term fluid represents a type of substance that can easily change its shape under any external pressure/force and can flow. Fluids can acquire any shape in which it is stored and can resist normal stresses but cannot resist shear stress in rest condition. Whenever external shear stress is applied to fluids, it starts to flow. The fluids may be liquid or gas. Example- water, air, etc.