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to form a molecule with an octahedral electron geometry what set of pure atomic orbitals must be mixed?
What volume of 4.7 M NaOH is required to react completely with 1.7 mL of a 1.51 M HCl solution?
A 6.50 gram sample of an ore containing chromium is dissovled and then treated with an excess of Na3PO4 (aq), which precipitates out all of the chromium in the ore as chromium (III) phospate, CrPO4.
A dose of aspirin is 5.0mg/kg body weight has been prescribed to infant that weighs 8.5lbs. How many miligrams is needed.
Draw the accepted mechanism for each reaction and illustrate how each stereoisomer is formed in the reaction.
you have a hydrochloric acidsolution with a pH of 1.8. How many mL of sodium hydroxide with a pH of 11.8 would be used to neutralize 20.0 mL of the acid solution.
After obtaining a preliminary melting point range of 124-130 degrees C for an unknown, you identify it as benzamide. Running a mixed melting point determination with benzamide affords a melting point range of 117-125 degrees C
Starting with Benzyl alcohol (PhCH2OH) and any other organic or inorganic reagents outline a series of reactions leading to ethyl phenylacetate
describe how these limestone objects are corroded by the sulfuric acid in polluted air. What chemical reaction is involved here?
A 2.5-L sample of a 6.3M NACl solution is diluted to 75L.What is the molarity of the diluted solution?
Which of the following statements is incorrect about benzene?
A first-stage recovery of magnesium from seawater is precipitation of Mg(OH)2 with CaO: Mg2+(aq)+CaO(s)+H2O(l)---->Mg(OH)2(s)+Ca2+(aq).
A 757 mL gas sample at STP is compressed toa volume of 202 mL, and the temperature isincreased to 30 degrees C. What is the new pressureof the gas in Pa?
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