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How would your calculated value for the molecular weight of your unknown been affected (high, low, no effect) if a small quantity of the unknown stuck to the metal stirring rod and failed to dissolve in the benzophenone?
Alcohols generally require acid catalyst in order to undergo substitution by nucleophiles. The acid catalyst enhances the reaction by
Construct a Born Haber cycle for the formation of the hypothetical compound NaCl2, where the sodium ion has a 2+ charge. A. How large would the lattice energy need to be for the formation of NaCL2 to be exothermic
how many liters of O2 can be made from 342 g H2O2 if the density of O2 is 1.428 g/L?
How many milliliters of a 0.210 M NaOH solution are needed to neutralize 25.0 ml of 0.125 M H2SO4(aq)? b) A 15.45 ml volume of 0.1327 M KMnO4(aq) is needed to oxidize 25.00 ml of a FeSO4(aq) in an acidic medium.
An element X forms the oxalate complex X2C2O4 which is 7.91% C and 21.07 % O by mass. What is the identity of the Element X
Name and give formulas of two acids that are strong electrolytes and one acid that is weak. Name and give formulas of two bases that are strong electrolytes and one base that is weak.
The MO diagram after the Jahn-Teller tetragonal distortion is added for a d4 high spin complex
.134 mole of KCl and .212 mole of CaCl2 were dissolved in water, calculate total number of Cl ions in the solution
A particular sample of vinegar has a [H3O^+] of 1.26 x 10^-3 M. Assuming that acetic acid is the only acid that vinegar contains (Ka = 1.8 x 10^-5), calculate the concentration of acetic acid in the vinegar.
The burning of 80.3 g of SiH4 at constant pressure gives off 3790 kJ of heat. Calculate ?H for this reaction.
compute the difference in pressure between ch4 and an ideal gas if 14.0 moles of gas are in a 6.00 litres tank at the
How many grams of magnesium oxide are formed when 14.8 of oxygen gas, measured at STP, completely reacts with magnesium metal according to this reaction
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