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Calculate the energy required and wavelength required to move an electron from the n=1 to n =1x10-12. Explain why this transition is not feasible ( hint look at the wavelength and energy for long radio waves and gamma rays)
Assuming that the reaction SO2(g) + H2O(l) --> H2SO3(l)is quantitative, how much sulfurous acid is formed when 100.0 g of sulfur dioxideare mixed with 60.0 g of water?
Zn(s) + 2AgNO3(aq) --> 2Ag(s) + Zn(NO3)2(aq) When 216 g of silver was produced, determine the mole(s) of silver nitrate would be required.
Acetone, a common laboratory solvent, has DeltaHvap = 29.1kJ/mol and a normal boiling point of 56.1 C. At what temperature (in C) does acetone have P_vap = 109 mm Hg
the amount of h2o2 in 15.8g of hair bleach was determined by titration with a standard potassium permagnate
the carbon-14 decay rate of a sample obtained from a young tree is 0.238 disintegration per second per gram of the
A piece of galena has a volume of 5.4 cm3. If the density of galena is 7.5 g/cm3, what is the mass (in kg) of that piece of galena?
how many grams of pbcl2nbspwill be produced if excess hcl is added to 30.00 ml of a 0.2319m solution of
50ml of 12M HCl are mixed, a ppt of AgCl forms Assume the reaction below goes to completion, and find the value of [Cl] in the mixture: Ag(aq) + Cl(aq)--> AgCl(s)
Suppose 50 mL of 0.250 M CoCl2 solution is added to 25.0 mL of 0.350 M NiCl2 solution. Calculate the concentration, in moles per liter, of each of the ions present after mixing.
Copper (II) hydroxide from Copper (II) nitrate. Confirm that an acid base reaction occurred stoichiometrically identify the limiting the reactant and the excess reactant.
Draw a mechanism for this reaction. All compounds involved in each stage of the mechanism must be enclosed in a box, and each box must be connected to the next one with a straight arrow. Use electron-flow (curved) arrows to show the movement of el..
which two ions have the same electron configuration in the ground state (a) Rb+ and Ca+ (b) Ba2+ and I- (c) Se2+ And I- (d) Fe2+ and Fe3+
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