Equation C_p-C_v=R is true for

In a textile mill, a double effect evaporator system concentrates weak liquor containing 4% (by weight) caustic soda to produce a lye containing 25% solids (by weight). What is the evaporation of water per 100 kg of feed in the evaporator

For an ideal gas mixture

Molality is defined as

Charles law for a given mass of an ideal gas is

1⁰ Brix is equivalent to a sugar solution containing