Chemistry, 22.04.2021 19:10 mcalepcrager
How many moles of silicon dioxide (SiO2) are in a 36.7 g sample of this compound?
Answers: 1
Chemistry, 22.06.2019 07:30
Given that 1 mi = 1760 yd, determine what conver- sion factor is appropriate to convert 1849 yd to miles; to convert 2.781 mi to yards.
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Chemistry, 22.06.2019 14:30
Consider the reduction reactions and their equilibrium constants. cu+(aq)+eββ½βββcu(s)pb2+(aq)+2eββ½βββpb(s)fe3+(aq)+3eββ½βββfe(=6.2Γ108=4.0Γ10β5=9.3Γ10β3 cu + ( aq ) + e β β½ β β β cu ( s ) k =6.2Γ 10 8 pb 2 + ( aq ) +2 e β β½ β β β pb ( s ) k =4.0Γ 10 β 5 fe 3 + ( aq ) +3 e β β½ β β β fe ( s ) k =9.3Γ 10 β 3 arrange these ions from strongest to weakest oxidizing agent.
Answers: 3
Chemistry, 23.06.2019 13:00
Consider the reaction: 2al(s) + fe2o3(s) β al2o3(s) + 2fe(s) the Ξ΄hf for fe2o3(s) = -824.3 kj/mole. the Ξ΄hf for al2o3(s) = -1675.7 kj/mole. finish the equation. Ξ΄hrxn = [(1)( kj/mole) + (2)( kj/mole)] - [(1)( kj/mole) + (2) ( kj/mole)]
Answers: 1
How many moles of silicon dioxide (SiO2) are in a 36.7 g sample of this compound?...
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