Homework Answers
Given reaction
is a balanced reactions. The coefficient of Fe2S3 is 1.
According to reaction stoichiometry 2 moles of Fe and 3 moles of S will form 1 mol of Fe2S3.
Therefore option "c" is correct.
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In the following reaction: 2Fe(s) + 3S(s) → Fe2S3(s) How many moles of Fe2S3 are produced...
Based on the following reaction: 2Fe (aq) + 35-lag) - Fe2S3(5) When a solution of Fe(NO3)3...
Based on the following reaction: 2Fe (aq) + 35-lag) - Fe2S3(5) When a solution of Fe(NO3)3 is mixed with a solution of K,S, which of the following is not correct? To a precipitate forms 3 mol of Fe(NO3)3 reacts with 2 mol of Kęs FezSz is insoluble Fe(NO3)3 is soluble
7) Calculate the mass in grams of FE2S3 (iron III sulfide) that can be produced with 375 grams of Fe (iron) based o...
7) Calculate the mass in grams of FE2S3 (iron III sulfide) that can be produced with 375 grams of Fe (iron) based on the following equation: (1.5 point) Fe2S3(s) 3S(s) 2Fe(s) Show all your calculations above, then circle your best answer d) 415.8 g Fe2S c) 623.7 g Fe2S3 b) 698 g Fe2S3 a) 207.9 g Fe2S3
Q5: Unit 8 Consider the reaction: 4Fe +30, Ⓡ 2Fe,0, If 4 moles of Fe are...
Q5: Unit 8 Consider the reaction: 4Fe +30, Ⓡ 2Fe,0, If 4 moles of Fe are allowed to react with 4 moles of O,, how many moles of the excess reagent will remain unreacted? A. 2.0 moles B. 1.5 moles C. 1.0 mole D. 0.5 moles
How many moles of NaCI are produced when 0.5 moles of Na2COs react with excess hydrochloric...
How many moles of NaCI are produced when 0.5 moles of Na2COs react with excess hydrochloric acid in the acid-base double displacement reaction according to the following equation? Na2COs(s)+2HCl(aq) 2NaCl(aq)+ H20()+ CO2(9) 8.6 g of Na2COs has been neutralised how many grams of NaCI must have been produced? How many moles of Pb(NO3)2 must have reacted with excess KI if 1.5 moles of Pbl2 were produced in the double displacement reaction according to the following equation? Pb(NO3)2(aq) + 2Kl(aq)- Pbl2(s)...
Iron(III) oxide reacts with carbon to give iron and carbon monoxide. Fe2O3(s)+3C(s)→2Fe(s)+3CO(g) How many grams of...
Iron(III) oxide reacts with carbon to give iron and carbon monoxide. Fe2O3(s)+3C(s)→2Fe(s)+3CO(g) How many grams of C are required to react with 29.0 g of Fe2O3? How many grams of CO are produced when 41.0 g of C reacts? How many grams of Fe can be produced when 6.20 g of Fe2O3 reacts?
Consider the following (unbalanced) reaction: C6H12O6(aq) → C2H6O(aq)+CO2(g) a). How many moles of CO22 are produced...
Consider the following (unbalanced) reaction: C6H12O6(aq) → C2H6O(aq)+CO2(g) a). How many moles of CO22 are produced when 5.418 moles of C66H1212O66 reacts? b) How many grams of CO22 are produced when 74.589 grams of C66H1212O66 reacts? c) How many grams of CO22 are produced when 10.797 moles of C22H66O is produced? d) How many grams of C66H1212O66 would you need to make 3.94 kg of C22H66O?
Consider the following equation: Fe2O3(s) + 3CO(g) --> 2Fe(s) + 3CO2(g) How many moles of Fe...
Consider the following equation: Fe2O3(s) + 3CO(g) --> 2Fe(s) + 3CO2(g) How many moles of Fe will be formed from 5.2 moles of CO? Enter only the numeric value for your answer (no units).
Consider the following equation: Fe2O3(s) + 3CO(g) --> 2Fe(s) + 3CO2(g) How many moles of Fe...
Consider the following equation: Fe2O3(s) + 3CO(g) --> 2Fe(s) + 3CO2(g) How many moles of Fe will be formed from 6.4 moles of CO? Enter only the numeric value for your answer (no units).
Homework #7A Name: Due date: 3-16-20 1. How many moles of water, H20, contain 9.03 *...
Homework #7A Name: Due date: 3-16-20 1. How many moles of water, H20, contain 9.03 * 10molecules of water? 2. How many molecules are present in 4.9 moles of L,CO3. 3. How many moles of oxygen are present in 4.9 moles of L.COM 4. How many Li atoms are in 4.5 moles of Li? 5. Calculate the mass, in grams, for 3.75 10 molecules of C2Hs. 6. Calculate the mass, in grams, for 3.5 moles of CHO. 7. Calculate the...
Iron(III) oxide reacts with carbon to give iron and carbon monoxide: Fe2O3(s)+3C(s)→2Fe(s)+3CO(g) Question: How many grams...
Iron(III) oxide reacts with carbon to give iron and carbon monoxide: Fe2O3(s)+3C(s)→2Fe(s)+3CO(g) Question: How many grams of Fe can be produced when 6.10 g of Fe2O3 reacts?
Based on the following reaction: 2Fe (aq) + 35-lag) - Fe2S3(5) When a solution of Fe(NO3)3 is mixed with a solution of K,S, which of the following is not correct? To a precipitate forms 3 mol of Fe(NO3)3 reacts with 2 mol of Kęs FezSz is insoluble Fe(NO3)3 is soluble
7) Calculate the mass in grams of FE2S3 (iron III sulfide) that can be produced with 375 grams of Fe (iron) based on the following equation: (1.5 point) Fe2S3(s) 3S(s) 2Fe(s) Show all your calculations above, then circle your best answer d) 415.8 g Fe2S c) 623.7 g Fe2S3 b) 698 g Fe2S3 a) 207.9 g Fe2S3
Q5: Unit 8 Consider the reaction: 4Fe +30, Ⓡ 2Fe,0, If 4 moles of Fe are allowed to react with 4 moles of O,, how many moles of the excess reagent will remain unreacted? A. 2.0 moles B. 1.5 moles C. 1.0 mole D. 0.5 moles
How many moles of NaCI are produced when 0.5 moles of Na2COs react with excess hydrochloric acid in the acid-base double displacement reaction according to the following equation? Na2COs(s)+2HCl(aq) 2NaCl(aq)+ H20()+ CO2(9) 8.6 g of Na2COs has been neutralised how many grams of NaCI must have been produced? How many moles of Pb(NO3)2 must have reacted with excess KI if 1.5 moles of Pbl2 were produced in the double displacement reaction according to the following equation? Pb(NO3)2(aq) + 2Kl(aq)- Pbl2(s)...
Homework #7A Name: Due date: 3-16-20 1. How many moles of water, H20, contain 9.03 * 10molecules of water? 2. How many molecules are present in 4.9 moles of L,CO3. 3. How many moles of oxygen are present in 4.9 moles of L.COM 4. How many Li atoms are in 4.5 moles of Li? 5. Calculate the mass, in grams, for 3.75 10 molecules of C2Hs. 6. Calculate the mass, in grams, for 3.5 moles of CHO. 7. Calculate the...
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