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Unit 03: Chemical calculations3.0 Works out chemical calculations accurately.3.1 Determines chemical formulae Using physical quantities related to atoms and molecules and works out relevant calculations using relevant constants.Finds the oxidation number of the component atoms of a given speciesWrites chemical formulae and names them using IUPAC rules.States the common names of the chemical compounds used frequently.States the value of Avogadro constant (L).Carries out calculations related to moles and Avogadro constant ..Determines the empirical formula when the percentage composition is known and the molecular formula when the empirical formula and the molar mass are known.Reviews the parameters of composition (mass fraction, volume fraction, mole fraction, concentration)Solves problems related to mass fraction, volume fraction and mole fraction.Defines concentration as the composition expressed in terms of moles of the solute per volume.Calculates and expresses the compositions in terms of mass/volume, amount/volume (concentration)Handles glassware such as pipette, burette, beakers, measuring cylinders and four beam balance in the laboratory3.2 Uses different kind of methods to balance the equations.Examines the balance in a chemical equation considering the mass and charge conservation.Balances equations by using inspection method and the redox method.Balances simple nuclear reactions3.3 Carries out calculations associatedWith stoichiometry and reaction equations.Calculates quantities in chemical reactions using stoichiometry.Explains methods of preparation of solutions and dilution.Prepares solution of Na2 CO3.
You will need two series of standard solutions to calibrate your ion-selective electrodes - one series for sodium and one for calcium.
Write the structures of the following compoundsa) 2,2-dibromo-3,3-dichloro-5,5-difluoro-6,6-diiodobicyclo{2.2.1}heptane
Show your work in finding the partial pressure of the nitrogen gas, PN2. 2) Show your work in finding the mass of the nitrogen collected
Compute the changes in the degree of polymerisation and the rate of the polymerisation caused by raising the temperature of polymerisation of styrene in C6H6, initiated by azobisisobutyronitrile from 60 0C to 70 0C.
Calculate the number of moles of quicklime, CaO, that would be produced by the decomposition of 30.0 moles of limestone, CaCO3, in the following reaction.
Consider hte boiling of a liquid such as water in a frictionless piston and cylinder device computer the work obtained from the psiton when 1 kg of liquid water is vaporized to steam at 100 degrees C
Find the percentage of the total energy need for the climb that came from protein and the percentage that came from fat.
how many mmol of acetic acid hc2h3o2 are required to react with the naoh? if your titration solution is 0.424 m in naoh
How many milliliters (mL) of a 0.200 M H2SO4 solution is needed to completely neutralize 20.41 mL of 0.280 M NaOH
Describe the basic unit processes involved in IC fabrication and the sequences in which they are performed to yield products.
given that the specific heat capacities of ice and steam are 2.06 jgdegc and 2.03 jgdegc the molar heats of fusion and
calculate the standard free energy change for the following metabolically important enzyme-catalyzed reaction at 25degc
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