Chemical Process Calculation 4 min read
Real Gases – Deviation from the Ideal Gas Law
Thus far, the ideal gas law, PV = nRT, has been applied to a variety of different types of problems, ranging…
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Chemical Process Calculation 2 min read
Ideal Gas Mixtures
If you have ni moles of each species (for example nA moles of A), you can try to calculate the pressure or…
Chemical Process Calculation 2 min read
What is an ideal gas?
Gases are complicated. They’re full of billions and billions of energetic gas molecules that can collide and possibly interact with…
Chemical Process Calculation 2 min read
Gas Pressure Formula
The force which the substance exerts on another substance per unit area is known as pressure. The pressure of the gas is the force that the gas exerts on the container boundaries. The gas molecules move randomly along the given volume. During this movement, they collide with the surface and also with…
Chemical Process Calculation 3 min read
Derived Units
The International System of Units or SI system, by international agreement, has fixed measurement units for seven fundamental properties: length,…
Chemical Process Calculation 2 min read
Sequential Multi-Unit Systems
Let’s first examine a multi-unit system composed of a sequential combination of units. Figure 6.3a illustrates a sequential combination of…
Chemical Process Calculation 3 min read
General Strategy for Solving Material Balance Problems
Most of the literature on problem solving views a “problem” as a gap between some initial information (the initial state…
Chemical Process Calculation 1 min read
Fractional Conversions, Extent of Reaction, Chemical Equilibrium
In many cases, chemical reactions do not go to completion and only a fraction will be converted. Therefore, fractional and…
Chemical Process Calculation 2 min read
Mechanical Energy Balance and The Bernoulli Equation
The general energy balance derived previously can be recast into a “mechanical energy balance.” The mechanical energy balance is most…
Chemical Process Calculation 2 min read
Solving Material and Energy Balance Problems
The following steps are helpful in solving problems that combine material and energy balance calculations. 1). Since material balances have…
Chemical Process Calculation 3 min read
The General Energy Balance
“Black Box” Analysis: This method of analysis, in the context of process modeling, does not concern itself with how individual…
Chemical Process Calculation 2 min read
Potential Energy
Potential energy of a system is due to the position of the system in a potential field. There are various…
