In the above reaction 2 moles of methanol give 4 moles of water So according to that 1 moles of methanol gives 2 moles of water Now,3 moles of methanol...
1 Answers 1 viewsSolution:Fe2O3 + 3CaS = Fe2S3 + 3CaOx g 51,9 g(Fe2O3) = 56*2+16*3= 160g/mol(CaO)=40+16=56g/molXmol(CaO)= 51,9/56= 0,96Xmol(Fe2O3)=0,92/3=0,308Xg(Fe2O3)=160*0,308/1=49,28Answer:m(Fe2O3)=49,28g
1 Answers 1 viewsFrom the given info, we know the amount of heat released when 2 moles of Na is reacted. We're asked for the heat per 0.5 moles. So, (368.6 kJ/2mol)0.5000 mol = 92.15...
1 Answers 1 viewsThe law of multiple proportion displays that when 2 elements combine with each other forming 2 or more chemical compound then different amount of 1 element which react with definite...
1 Answers 1 viewsMolar Mass of LiOH = 23.95Molar Mass of H2S= 34.1Molar Mass of Li2S = 45.95From the equation, = 2/3 × 150.17 = 100.1133g of LiOH= 100.1133 /23.95 = 4.18moles of...
1 Answers 1 viewsValue =199 J/K.mol
1 Answers 1 viewsmL of 0.250 M KOH=5.5
1 Answers 1 viewsLitres of O2=72.7L O2
1 Answers 1 viewsMole ratio C2H4:CO2=1:2= 12.5×2=25moles of CO2
1 Answers 1 viewsThe correct balanced equation is: Na3PO4 + Ba(NO3)2 = BaPO4 + Na3(NO3)2
1 Answers 1 views