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How long would it take to count 1 billion tiny, invisible objects from a bottle of these objects if you couldnt even see one with an optical microscope but knew that each one weighed 0.00000001 gram?
Determine how many grams of aluminum hydroxide will get from 18.2g of aluminum sulfide and determine the density of this newly minted penny
choose the correct answer for the atom using the periodic chart. Larger atomic or ionic radius, F or F(-)
For the electrophilic addition of HCL to 2-methyl-2-pentene use curved arrow notation to show the formation of the markovniknov & anti-markovnikov product. Label the types of carbocation formed as intermediates in each reaction pathway & show the ..
Determine how much heat is evolved or absorbed when 30.0 of lithium iodide completely dissolves in water.
If the sign for delta G is negative (spontaneous process) and the sign for delta S is positive (more disorder) for both dissolving processes, how could one be endothermic (positive delta H) and one be exothermic
When 1.550 g of liquid hexane (C6H14) undergoes combustion in a bomb calorimeter, the temperature rises from 25.87 ºC to 38.13 ºC. Find ?E rxn for the reaction in kJ/mol hexane. The heat capacity of the bomb calorimeter, determined in a separate e..
propose a synthesis of teflon (polytetraflauroethlene). What starting materials are required? What type pf reaction would be used to achieve polymerization
total ion concentration what conductivity should be observed for 0.050 M Na2SO4?
analysis of a sample of a covalent compound showed that it contained 14.4 hydrogen and 85.6 carbon by mass. what is the
A room temperature aqueous solution is 0.10 M in zinc acetate, 0.50 M in strontium acetate and 15.2 M in nickel (II) acetate. At what concentration of carbonate does a solid first appear in the solution?
One brand of laundry bleach is an aqueous solution containing 4.00% sodium hypochlorite by mass.What is the molarity of this solution.
Will a precipitate of magnesium flouride form when 200.0 milliliter of 1.9x10^-3mol/Litre MgClsubnumber2 solution is added to 300.0 milliliter of 1.4x10^-2mol/Litre NaFsolution?
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