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Oxygen gas having a volume of 900 cm3 at 45.0°C and 1.01 multiplied by 105 Pa expands until its volume is 1650 cm3 and its pressure is 1.06 multiplied by 105 Pa.
(a) Find the number of moles of oxygen present.
(b) Find the final temperature of the sample.
Use the appropriate standard reduction potentials in your book to calculate the value of K at 25C for the reaction NiO2(s)+2Cl-(aq)+4H+(aq) arrow Cl2(g)+Ni2+(aq)+H2O(l)
When (R)-2-bromobutane reacts with NaOCH3, the product will have what stereochemical configuration?
a 25ml sample taken from saturated solution of caoh2 required 36.0ml of 0.100m hcl to titrate. calculate the
A galvanic (voltaic) cell consists of an electrode composed of chromium in a 1.0M Chromium(II) ion solution and another electrode composed of silver in a 1.0M silver ion solution, connected by a salt bridge.
calculate the unknown concentration for the analyte noted as (xM) from the potential data given at 25 oC Pt/Fe 2+ (0.05 M)//Ag+ (xM) /Ag.
A technician is plating a faucet with 0.86 grams of chromium from an electrolytic bath containing aqueous Cr2(SO4)3. If 12.5 minutes is allowed for the operation, what current is needed
What is the equivalent weight of (MnO4). How many equivalents of electrons were delivered to the unknown soln
What is the molarity of an aqueous solution containing 75.3 g of glucose (C6H12O6, mol wt = 180 g/mole) in 35.5 mL of solution
Sucrose and glucose are nonvolatile. What is the mole fraction of water in this solution?
How many milliliters of 0.459 M HBrO4 are needed to titrate each of the following solutions to the equivalence point. (a) 21.2 mL of 0.505 M KOH mL (b) 30.7 mL of 0.551 M NaOH mL
How much heat energy would be needed to raise the temperature of a 15.0 g sample of iron (C = 0.448 J/goC) from 22.0 oC to 100.0 oC?
Maleic anhydride reacts with ethylene glycol to produce an alkyd resin
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