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Analyse unemployment in the Australian economy under the following headings:
Rubric Individual Assignment (20%) + - 1500 words
State which of the following orbitals cannot exist according to the quantum theory 2s,2d,3p 4f and 5s
You have a 1 L. container of a gas O2 at 20 degrees celcius and 1 atm. subtracting the weight of the container, what is the mass of the gas?
A student is asked to determine the formula of a hydrate of colbalt (II) chloride. The mass of the empty clean, dry crucible and cover, after heating is 22.446 g. A sample of 0.324 g of cobalt chloride is added to the crucible.
if a 10.0 g sample of zns is treated with excess hcl what volume of hydrogen gas is evolved at stp?zn s 2 hcl aq -gt
classify these oxides as acidic basic amphoteric or neutral. p4o10 at2o7 al2o3 sno2 mgo li2o co no. begin by
At 50 C, the solubility of silver chloride, AgCl is 5.2 x 10^-4 g/100mL. Calculate the Ksp at this temperature.
If cholestrol is present in a membrane which end is most likely to be directed to the outer surfaces of the membrane that are closer to the hydrophilic environments of cell cytoplasm or the extracellular space?
Determine the pH of a solution that is 1.80% NaOH by mass. Assume that the solution has density of 1.01 g/ml.
Calculate the pH of a buffer solution that contains 0.25 M benzoic acid C6H5CO2H and 0.15 M sodium benzoate C6H5CO2Na. For benzoic acid, Ka = 6.5 x 10-5.
During the chlorination of drinking water and wastewater, what is it that makes chlorine an effective microbiocide?
400cm3 of glycerol, C3H8O3 (density= 1.26 g cm-3) is added to a kilogram of water. What is the mole fraction of C3H8O3 in the solution?
The temperature is presumed to be constant at 25 C. Compute the charge to be made for the ethylene if the ethylene is sold at $0.41/ pound. Calculate the weight of empty cylinder and its volume. Calculate the volume of the cylinder.
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