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The student synthesise aluminum oxide according to this reaction: 4 Al(s) + 3 0,(9) + 2 A1,0,(s) Considering the mass of the limiting reactant she used, the student worked out that the theoretical yield of Al,0, is 3.208 g. She obtained an experimental yield of 2.329 g. What is the percentage yield for her synthesis? Answer:
Chlorine gas can be prepared in the laboratory by the reaction of hydrochloric acid with manganese(IV) oxide. 4 HCI(aq) + MnO2(s) MnClj(aq) + 2H20) +C2(g) A sample of 38.7 g MnO2 is added to a solution containing 41.3 g HC. What is the limiting reactant? O HCI O Mno, What is the theoretical yield of Cl2? theoretical yield: g Cl If the yield of the reaction is 78.9%, what is the actual yield of chlorine? actual yield: gC2 Chlorine gas...
QUESTION 13 Given the following reaction Ca(s) + 2HCl(aq) - CaCl2(aq) + H2(g) 11.00 g of Ca reacts with 0.850 g HCl and 1.21 g CaCl2 are produced, what is the theoretical yield, the percent yield and the limiting reactant? 2.77 .43.7%, Ca limiting 2.77 9, 93.8%, HCI limiting 1.29 g, 43.7%, Ca limiting 1.29 g, 93.8% HCI limiting 2.779, 46.6%, Ca limiting 1.29 9. 46.6%, HCI limiting
pls explain in great detail why Consider the following standard reduction potentials Reduction Half-Reaction A1+ (aq) + 3e A1(s) Fe2+ (aq) + 2e-Fe(s) Sn2+ (aq) + 2e - Sn(s) E (volts) -1.66 0.44 0.14 The AIAP half-reaction can be paired with the other two to produce voltaic cells because Als* is a more powerful reducing agent OOO Al is a more powerful oxidizing agent o Fe and Sn are readily oxidized Al is a more powerful reducing agent AB+ is...
For the reaction 2 Al + 3 H,SO -3H, + A1, (SO), how many grams of sulfuric acid, H2SO4, are needed to react completely with 51.9 g of aluminum, Al? 100 mass: 1/100 0/100 Consider the reaction. heat 2 Al(s) + Fe,0,(3) ***, ALO3(s) + 2 Fe(1) If 17.7 kg Al reacts with an excess of Fe,Og, how many kilograms of A1, O, will be produced? mass of A1,03 produced:
Tin(IV) sulfide, Sns,, a yellow pigment, can be produced using the following reaction. SnBr.(aq) + 2 Na, S(aq) - 4 NaBr(aq) + SnS,(s) Suppose a student adds 40.0 mL of a 0.492 M solution of SnBr, to 42.6 mL of a 0.127 M solution of Na, S. Identify the limiting reactant. NaBr Na s Osns SnBr. Calculate the theoretical yield of SnSz. theoretical yield: The student recovers 0.313 g of Sns. Calculate the percent yield of Sns, that the student...
Chlorine gas can be prepared in the laboratory by the reaction of hydrochloric acid with manganese(IV) oxide. 4HCl(aq)+MnO2(s)⟶MnCl2(aq)+2H2O(l)+Cl2(g) A sample of 37.9 g MnO2 is added to a solution containing 42.3 g HCl. What is the limiting reactant? MnO2 OR HCl What is the theoretical yield of Cl2? If the yield of the reaction is 79.1%, what is the actual yield of chlorine?
The following chemical reaction takes place in aqueous solution: Fe2(SO4), (aq)+6 KOH(aq) — 2 Fe(OH)3(s)+3 K, SO4(aq) Write the net ionic equation for this reaction. 0- Identifying the limiting reactant in a drawing of a mixture The drawing below shows a mixture of molecules: key carbon hydrogen nitrogen sulfur 000000 oxygen chlorine Suppose the following chemical reaction can take place in this mixture: CH,(9)+4S(s) → CS (9)+2 H, S(9) of which reactant are there the most initial moles? Enter its...
please i need help with queation 4,5a,5b, and 6 4. Consider the reaction of aluminum and oxygen: Al(s) + O,(g)>Al,0,(s) (i). Which is the limiting reactant if we start with 30.0 g Al and 30.0 g O,? (ii). What is the Theoretical Yield for the reaction? (iii). If 25.85 g of Al,O, was collected at the completion of the reaction (actual yield), what is the % yield for the reaction? 5. (a). A 1.506-g sample of limestone-containing material gave 0.558...
Given the following reaction Ca(s) + 2HCl(aq) → CaCl2(aq) + H2(g) If 0.500 g of Ca reacts with 0.850 g HCl and 1.21 g CaCl2 are produced, what is the theoretical yield, the percent yield and the limiting reactant? 1.38 g, 87.7%, Ca limiting 1.38 g, 93.8%, HCl limiting 1.29 g, 87.7%, Ca limiting 1.29 g, 93.8% HCl limiting 1.38 g, 92.8%, Ca limiting 1.29 g, 92.8%, HCl limiting