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1. Identify the first 36 elements in the periodic table and understand how their atomic structure affects their physical properties
2.Understand and explore by practical investigations the differences between elements, compounds, mixtures and ions and perform chemical calculations You can:
3. Explain how the atomic structure of the first 36 elements affects their properties.
4. Describe the electronic arrangement in shells and sub-shells using spd notation.
5. Identify the differences between elements, compounds, mixtures and ions.
6. Write the correct formulae for binary compounds of elements and use them to calculate the number of atoms involves in more than one molecule of a compound.
What mass of sold LA (IO3)3 (663.6 g/mol) is formed when 37.05 mL of 0.250 M La+3 are mixed with 95mL of 0.302 M IO3-? Calculate the molar concentration of the unreacted ion (i.e, LA+3 or IO3-)
Concentrated H2SO4 is 96% by weight H2So4 and has a density of 1.84 gm/ml. Calculate the volume of concentrated H2SO4 acid required to make 150 ml of 4 M H2SO4
Make an energy level diagram, showing ALL suborbitals, large enough to accomodate the 1st 36 elements
Write an equation showing stereochemistry of starting material and the product,for the reaction of (S)-1-bromo-2-methylbutane with sodium iodide in acetone.what will be the configuration (R or S)of the product
Find the pH of a 0.2 m solution of acetic acid. Ka for acetic acid at 25 degrees C is 1.75 x 10^-5. a.) assume ideal behavior
The equation for the energy of the electron in the hydrogen atom is given in your text(s) as E= - 2.18 x 10^-18J x (1/n_f^2 - 1/n_i^2). However the actual equation
Calculate the pH of 100. mL of 0.31 M NH3 before and after the addition of 4.5 g of NH4NO3, and account for the change. Assume that the volume remains constant.
Explain why the boiling point of your cyclohexane: toluene mixture rose slowly throughout your simple distillation procedure. Explain this in terms of the temerature/composition diagram
One drop of 1N HCl is added to the stirred solution which is heated in a boiling water bath for 5 minutes. on cooling a precipitate is deposited which is collected and recrystallized in absolute alcohol. What is the product of this reaction
Given that Ea for a certain biological reaction is 48kJ/mol and that the rate constant is 2.5 x 10^-2 s-1 at 15 degrees celsius
Calculate pCu at the equivalence point in the titration of 20.0 mL of 0.0161 M CuSO4 with 0.0100 M EDTA at pH 8.00.
If a solution of NaCI is added to the 0.018M AgN03 solution, will the cell voltage
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