Chemical Engineering: First-Year Calculations (CIR 113 Pt 2)

Apply a 100 kg mass basis to a water–salt solution, use a 3:1 mole ratio of NaCl to NaNO3, and determine NaNO3’s mass percentage as 12.07%.

Calculate the normality of a sulfuric acid solution from its molarity and gram equivalence, then compute the mole fraction of water using masses and molar masses.

Solve a salt-solutions concentration problem by applying 30% mass solids and 5% mole NaCl in 100 kg water, using two equations to find NaCl and CuSO4 masses.

Convert 30 kg/h of CO2 to a molar flow using molar mass, then compute total molar flow and nitrogen flow from mole fractions, and determine the total mass flow.

Solve a methane and ethene gas mixture problem on a mass basis by converting masses to moles and applying carbon and hydrogen balances to find CH4 and C2H4 moles.

Determine the chlorine percentage in a nitrogen, carbon dioxide, chlorine gas mixture using the molar mass equation and mole fractions, solving for x to obtain 44.78% chlorine.

Apply the ideal gas law to flue gas with known mole fractions to find density and specific volume, then compute pressure after cooling in a sealed container.

Compute gas flow in a nitrogen–oxygen mixture from linear velocity and pipe diameter, convert volumetric flow to molar flow using specific volume and mole fractions, yielding 24.16 tons per hour.

Compute the gas molar mass from 4.2 kg and 0.418 kmol, then use the gas mixture molar mass equation to find the oxygen mole fraction, x = 0.268.

Apply total and component mass balances to mix ideal gas streams A and B with mole fractions 80/20 and 85/15, determining product p's mass, molar flow, and average molar mass.

Learn to apply mass balances to a slurry filtration and drying problem, distinguishing filtrate, filter cake, and mother liquor, and determining sodium chloride and sodium sulfate in the dry product.

Perform a complete mass balance to produce 100 kg of strawberry jam by mixing strawberries and sugar in a 45:55 ratio and evaporating water until residue contains one third water.