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a 2.500g sample of an

A .500g unknown sample is titrated with 40mL of .187M KMno4 by the following reaction:5Fe{2+} + MnO4{-1} + 8H{+1} -> 5Fe{3+} +
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2. asked by Julie
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a 100g sample of wate at 90oC is added to a 500g sample of water at 10oC. what is the final temperature of the water
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2. asked by julius
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A 10 kg sample from a living plant has actiuity 30 000 Bq due to Carbon-14. A 500g sample of the same type of plant but dead has
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2. asked by Culvin
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Please help to determine the (%w/w) benzoyl peroxide (C14H20O4) in a sample.Procedure: 2.500g of sample was dissolved in 75ml
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2. asked by angela
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what will be the final temp of 500g of 21c waterbullets are dropped in? when 500g of 324c lead
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2. asked by Rachelle
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2.500g sample of a mixture of sodium carbonate and sodium chloride is dissolved in 25.00ml of 0.798M HCl. Some acid remains
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2. asked by eliz
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calculate late the Gibbs free energy, entropy and enthalpy of mixing when 500g of heptane is mixed with 500g oh hexane at 298K.
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2. asked by pholisa
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How much heat energy is released when a 500g sample of water vapor is cooled from 120°C to a finaltemperature of -20°C?
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9. A lump of gold sample is suspected to have a mass of 500g and is found to have a relative den of 5.2Find what mass of gold is
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2. asked by Kenny
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how many grams of each species will be present at the end when 0.500g of copper is added to 2.500g of AgNO3?Cu(s) + 2 AgNO3(aq)
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2. asked by tc
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