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10. Consider the reaction KOH +(NH4)2SO4 ? K2SO4 + NH4OH If 20.0 grams of KOH reacts...
Consider the equation 2KOH + H2SO4 → K2SO4 + 2H20 a lf 25 g H2SO4 is...
Consider the equation 2KOH + H2SO4 → K2SO4 + 2H20 a lf 25 g H2SO4 is reacted with 7.7 g KOH, how many grams of K2SO4 are produced? b For part a of this problem, identify the limiting reactant and calculate the mass of excess reactant that remains after the reaction is completed. c Calculate the theoretical yield of the reaction. How many grams of material would you expect to obtain if the reaction has a 67.1% yield?
Be sure to answer all parts. The fertilizer ammonium sulfate, (NH4)2SO4, is prepared by the reaction...
Be sure to answer all parts. The fertilizer ammonium sulfate, (NH4)2SO4, is prepared by the reaction between ammonia (NH3) and sulfuric acid: 2NH3(g) + H2SO4(aq) + (NH4)2SO4(aq) How many kilograms of NH3 are needed to produce 3.70 x 10 kg of (NH),SO? 1.008 .05_ Enter your answer in scientific notation.
12. Potassium reacts aggressively with water, as shown in this equation: 2 K + 2 H20→2...
12. Potassium reacts aggressively with water, as shown in this equation: 2 K + 2 H20→2 KOH + H2 If 0.2 grams of potassium are added to 15.0 grams of water, what mass of KOH can form in this reaction? 7.4 Theoretical and Percent Yield 13. A chemist carries out the following reaction: C.He + Brı → C.H.Br + HBr a. If he reacts 14.2 grams of GoHs with an excess of Brz, what is the theoretical yield of C.H.Br?...
A sample of NH3 reacts according to the following reaction to theoretically produce 4.5 grams of...
A sample of NH3 reacts according to the following reaction to theoretically produce 4.5 grams of NO. You perform the same reaction and obtain only 2.8 g of NO. Calculate the percent yield of NO in this reaction. 4 NH3 +502 4 NO + 6H2O 70% 15% 160% 62%
5. Iron(III) oxide reacts with carbon monoxide to produce iron and carbon dioxide according to the...
5. Iron(III) oxide reacts with carbon monoxide to produce iron and carbon dioxide according to the following reaction: Fe2O3 + 3 CO → 2 Fe + 3 CO2 a) What is the percent yield of iron if 15.0 grams of FE is actually produced by reacting 65.0 of iron(III) oxide? b) What is the percent yield of carbon dioxide if the reaction produces 85.0 grams of carbon dioxide from 75.0 grams of carbon monoxide?
Consider the reaction of CO2 with KOH to form K2CO3 and H2O. If 3.80 g KOH...
Consider the reaction of CO2 with KOH to form K2CO3 and H2O. If 3.80 g KOH is reacted with excess CO2 and 4.27 g of K2CO3 is ultimately isolated, what is the percent yield for the reaction?
Consider the equation: 2 KMnO4 + 5 H2C2O4 + 3 H2SO4 → 2 MnSO4 + 10...
Consider the equation: 2 KMnO4 + 5 H2C2O4 + 3 H2SO4 → 2 MnSO4 + 10 CO2 + 8 H2O + K2SO4 If the percent yield of the reaction is 42.8%, how many grams of sulfuric acid (F.W. 98.08) are needed to produce 7.9 g of manganese(II) sulfate (F.W. 151.0)? Enter your numerical result in grams without the unit to a precision of 0.01 g.
n 5 of 10 > Consider the reaction. 2 Pb(s) + 0,(g) 2 PbO(s) An excess of oxygen reacts with 451.4 g of lead, for...
n 5 of 10 > Consider the reaction. 2 Pb(s) + 0,(g) 2 PbO(s) An excess of oxygen reacts with 451.4 g of lead, forming 363.3 g of lead(II)oxide. Calculate the percent yield of the reaction percent yield: 173.4
2. 20.0 g of aqueous magnesium sulfate reacts with aqueous sodium phosphate and yields a soluble...
2. 20.0 g of aqueous magnesium sulfate reacts with aqueous sodium phosphate and yields a soluble and an insoluble compound. (a) Write and balance the equation and indicate the physical state of reactants and products; (b) calculate the amount of insoluble product assuming more than enough sodium phosphate; and (c) find the number of moles of the insoluble product that can be obtained from 15.0 g sodium phosphate if there is more than enough of MgSO4. (25 points) (a) reaction...
How many grams of oxygen are formed when 6.21 moles of KOH are formed? 4 KO(s)...
How many grams of oxygen are formed when 6.21 moles of KOH are formed? 4 KO(s) + 2 H_2O(l) rightarrow 4 KOH(s) + O_2(g) 19.9g 27.9g 49.7g 3.59g 11.7g Consider the following balanced reaction. How many grams of water are required to from 75.9g of HNO_3? Assume that there is excess NO_2 present. Molar masses: H_2O = 18.02g. HNO_3 = 63.02g. 3 NO_2(g) + H_2O(l) rightarrow 2 HNO_3(aq) + NO(g) 38.0g 21.7g 43.4g 10.9g 26.5g A 12.39g sample of phosphorus...
Consider the equation 2KOH + H2SO4 → K2SO4 + 2H20 a lf 25 g H2SO4 is reacted with 7.7 g KOH, how many grams of K2SO4 are produced? b For part a of this problem, identify the limiting reactant and calculate the mass of excess reactant that remains after the reaction is completed. c Calculate the theoretical yield of the reaction. How many grams of material would you expect to obtain if the reaction has a 67.1% yield?
Be sure to answer all parts. The fertilizer ammonium sulfate, (NH4)2SO4, is prepared by the reaction between ammonia (NH3) and sulfuric acid: 2NH3(g) + H2SO4(aq) + (NH4)2SO4(aq) How many kilograms of NH3 are needed to produce 3.70 x 10 kg of (NH),SO? 1.008 .05_ Enter your answer in scientific notation.
12. Potassium reacts aggressively with water, as shown in this equation: 2 K + 2 H20→2 KOH + H2 If 0.2 grams of potassium are added to 15.0 grams of water, what mass of KOH can form in this reaction? 7.4 Theoretical and Percent Yield 13. A chemist carries out the following reaction: C.He + Brı → C.H.Br + HBr a. If he reacts 14.2 grams of GoHs with an excess of Brz, what is the theoretical yield of C.H.Br?...
A sample of NH3 reacts according to the following reaction to theoretically produce 4.5 grams of NO. You perform the same reaction and obtain only 2.8 g of NO. Calculate the percent yield of NO in this reaction. 4 NH3 +502 4 NO + 6H2O 70% 15% 160% 62%
5. Iron(III) oxide reacts with carbon monoxide to produce iron and carbon dioxide according to the following reaction: Fe2O3 + 3 CO → 2 Fe + 3 CO2 a) What is the percent yield of iron if 15.0 grams of FE is actually produced by reacting 65.0 of iron(III) oxide? b) What is the percent yield of carbon dioxide if the reaction produces 85.0 grams of carbon dioxide from 75.0 grams of carbon monoxide?
n 5 of 10 > Consider the reaction. 2 Pb(s) + 0,(g) 2 PbO(s) An excess of oxygen reacts with 451.4 g of lead, forming 363.3 g of lead(II)oxide. Calculate the percent yield of the reaction percent yield: 173.4
2. 20.0 g of aqueous magnesium sulfate reacts with aqueous sodium phosphate and yields a soluble and an insoluble compound. (a) Write and balance the equation and indicate the physical state of reactants and products; (b) calculate the amount of insoluble product assuming more than enough sodium phosphate; and (c) find the number of moles of the insoluble product that can be obtained from 15.0 g sodium phosphate if there is more than enough of MgSO4. (25 points) (a) reaction...
How many grams of oxygen are formed when 6.21 moles of KOH are formed? 4 KO(s) + 2 H_2O(l) rightarrow 4 KOH(s) + O_2(g) 19.9g 27.9g 49.7g 3.59g 11.7g Consider the following balanced reaction. How many grams of water are required to from 75.9g of HNO_3? Assume that there is excess NO_2 present. Molar masses: H_2O = 18.02g. HNO_3 = 63.02g. 3 NO_2(g) + H_2O(l) rightarrow 2 HNO_3(aq) + NO(g) 38.0g 21.7g 43.4g 10.9g 26.5g A 12.39g sample of phosphorus...
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