3448Chemical EngineeringMedium
The enthalpy change when ammonia gas is dissolved in water is called the heat of________?
ADilution
BSolution
CCombustion
DFormation
Correct answer
B. Solution
Explanation
The correct answer is Solution.
Correct answer
B. Solution
Explanation
The correct answer is Solution.
________ of air does not increase with increase in temperature?
A rigid vessel containing three moles of nitrogen gas at 30°C is heated to 250°C. Assume the average capacities of nitrogen to be Cp = 29.1 J/mole.°C and, Cv = 20.8 J/mole.°C. The heat required, neglecting the heat capacity of the vessel, is________?
Enthalpy of formation of NH3 is – 46 kJ/kg mole. The enthalpy change for the gaseous reaction, 2NH3 → N2 + 3H2, is equal to ________ kJ/kg. mole?
The normal range of velocity of water in pipes is ________ m/sec?
Ferromagnetic materials owe their properties to ________ inner sub-shells?
Thermal conductivity cell is the primary element of a/an ________ analyser?