Essays Tagged: "mol"
Nitric Acid
damage. It needs to be kept secrure% Compostion:H 1.6%N 22.2%O 76.2%Formula:HNO3Formula Weight:63 g/molCommon Applications:Nitric acid is used in the manufacture of fertilizers and explosives. It is u ...
Subjects: Science Essays > Chemistry
Describing the process of Electorlysis and how the number of coloumbs can verify the amount of current given off
n amps (A)t = time (seconds)*The Faraday constant, F, is the quantity of electricity carried by one mole of electrons.F = Avogadro's Number x charge on electron in coulombsF = 6.022 x 1023 mol-1 x 1.6 ... ro's Number x charge on electron in coulombsF = 6.022 x 1023 mol-1 x 1.602192 x 10-19 CF = 96,484 C mol-1This is usually rounded off to 96,500 C mol-1 for calculations in chemistry.*The quantity of el ...
Subjects: Science Essays
Neutralise Excess Stomach Acid
he one which has the lowest cost to successfully neutralise the dilute hydrochloric acid (HCl) (0.5 mol) (to represent the excess acid found in our stomachs). This powder would have be the one which c ... m red (at pH 1, strong acid) through green (neutral) to purple (at pH 13, strong alkali).Bromothymol Blue:Bromothymol blue changes from one colour to another as the pH of the solution it is in i ...
Subjects: Science Essays > Chemistry
Absorption of Carbon Dioxide
ave e-mail submissions so that charts and pics can be part of the workProcedure1. Prepare 1 molar NaOH solution for liquid feed. Prepare 2 mol% CO2 gas feed.2. Record base feed conduct ... Gas OUTyCO2 (ya) DistillateDCO2 Mass CO2Removed(min) (massfrac) (mol.frac.) (lb/min) (fraction) (mol.frac.) (lb/min) (lb/min) ...
Subjects: Science Essays > Engineering > Chemical Engineering
Titration Analysis of vinegar
Question:What is the molar concentration of acetic acid in a sample of vinegar?Prediction:The manufacture of claims on th ... ure of claims on the label that the vinegar contains 5.0% acetic acid, which translates into a 0.87 mol/L concentration of acetic acid. The concentration of acetic acid in the vinegar sample should be ... is a solution of a weak acid in water. This acid will react with the base sodium hydroxide in a 1:1 molar ratio. If a solution of NaOH of known concentration will used titrate vinegar, it is possible ...
Subjects: Science Essays > Chemistry
Lab 12: Reduction of an Aldehyde to a Primary Alcohol by Use of NaBH4
Please refer to the detailed instructions on lab 12 handout)Physical Quantity TableType of substanceMolecular FormulaMolecular Weight (g/mol)Density(g/cm3)Melting Point(oC)Boiling Point(oC)HazardO-van ... could ensure complete drying and therefore improve the purity of the product.Answer to the Lab1.The molar ratio of NaBH4 was 1:1.2.(Please refer to Page 2)3.The NaOH was added to the reaction mixture ...
Subjects: Science Essays > Chemistry