Consider the reaction below between diborane, B2H6 , and oxygen to produce boric acid, HBO2, and water, H20. How many gram of B2H6 is needed to produce 36.15 gram of boric acid if the percentage yield of reaction is 86.23%. Consider amount of O2 is excess. B2H6 + 302 → 2HBO2 + 2H20 Molecular mass (g/mol) HBO2: 43.82 B2H6 : 27.66 O2: 32.00 H2O: 18.02 52.92 g O 13.23 g 26.46 g 11.41 g 22.82 g

Consider the reaction below between diborane, B2H6 , and oxygen to produce boric acid, HBO2, and water, H20. How many gram of B2H6 is needed to produce 36.15 gram of boric acid if the percentage yield of reaction is 86.23%. Consider amount of O2 is excess. B2H6 + 302 → 2HBO2 + 2H20 Molecular mass (g/mol) HBO2: 43.82 B2H6 : 27.66 O2: 32.00 H2O: 18.02 52.92 g O 13.23 g 26.46 g 11.41 g 22.82 g

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter3: Mass Relations In Chemistry; Stoichiometry

Section: Chapter Questions

Problem 55QAP: One way to remove nitrogen oxide (NO) from smoke-stack emissions is to react it with ammonia....

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Ammonia reacts with a limited amount of oxygen according to the equation 4NH3(g)+5O2(g)4NO(g)+6H2O(l)(a) How many moles of NO are obtained when 3.914 moles of oxygen are used? (b) How many moles of oxygen are required to react with 2.611 moles of ammonia? (c) How many moles of water are obtained when 0.8144 moles of ammonia are used? (d) How many moles of oxygen are required to produce 0.2179 mol of water?
Acetylene (C2H2) and calcium hydroxide (Ca(OH)2) are formed by the reaction of water with calcium carbide, according to the following equation: CaC2(s) + H2O(l) → Ca(OH)2(aq) + C2H2(g) 1. How many moles of Ca(OH)2 is formed from 5 moles of CaC2? 2. How many moles of CaC2 is needed to produce 4 moles of C2H2? 3. What is the mass of Ca(OH)2 produced from 4.00 mol of H2O?
The oxidation of phosphine (PH3) to phosphorus pentoxide (P2O5) is given by the balanced chemical equation: 2PH3 + 4O2 -> P2O5 + 3H2O 19. If the reaction gives a 64% yield, how many grams of PH3 should be used to give an actual yield of 250 grams of P2O5? 20. How many grams of P2O5 will be produced in the reaction?
Acetylene (C2H2) and calcium hydroxide (Ca(OH)2) are formed by the reaction of water with calcium carbide, according to the following equation: CaC2(s) + H2O(l) → Ca(OH)2(aq) + C2H2(g) How many moles of Ca(OH)2 is formed from 5 moles of CaC2? How many moles of CaC2 is needed to produce 4 moles of C2H2? What is the mass of Ca(OH)2 produced from 4.00 mol of H2O? How many moles of C2H2 is produced from 81.1 g of H2O? How many grams of H2O is needed to produce 703.1 g of Ca(OH)2?
Benzene (C6H6) burns in air according to the following equation shown below. How many moles of O2 are required to react with 0.10 mol of C6H6 2 C6H6(l) + 15 O2(g)→12 CO2(g) + 6 H2O(g)
Consider the following balanced chemical equation: C2H6O + 3O2 → 2CO2 + 3H2O If 3.5 moles of oxygen reacted with an excess of C2H6O, how many moles of CO2 would form?
C6H12O6 (s) + 6 O2 (g) → 6 CO2 (g) + 6 H2O (l) How many moles of water (H2O) will be produced if 32.8 g of C6H12O6 mixes with water? (Note: the molar mass of C6H12O6 is 180.18 g/mol)
According to the balanced reaction below, calculate the moles of NO2 that form when 5.20 x 10.3 mol of N2O5 completely reacts 2N2O5(g) -> 4NO2(g) + O2(g)
Show all calculations and formulas used. The reaction between nitric oxide (NO) and oxygen (O2) forming nitrogen dioxide (NO2) is a key step in photochemical smog formation. How many grams of O2 are needed to produce 2.21g of NO2?
Consider the reaction: If 80 grams of ethane (C2H8) is burned in excess oxygen gas (O2), calculate the amount (in grams) of O2 reacted with ethane, and amounts (in grams ) of CO2 and H2O. Molar Mass: C = 12 g/mol ; H = 1 g/mol ; O = 16 g/mol
The reaction for producing glucose in plants, called photosynthesis, is 6CO2+6H2O−→−−lightC6H12O6+6O2 6CO2+6H2O→lightC6H12O6+6O2 If a plant produces 7.11 mol C6H12O6,7.11 mol C6H12O6, how many moles of CO2CO2 are needed?
Benzene (C6H6) burns in air according to the following equation shown below. How many moles of O2 are required to react with 0.95 mol of C6H6? 2 C6H6(l) + 15 O2(g) → 12 CO2(g) + 6 H2O(g) _?_ mol O2

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