QUESTION 1 H20 is balanced, the coefficient in front of the O2 is CO2 02 When the equation C2H4 1 2 3 4 QUESTION 2...
Show setups and calculations for full credit. 1. (8) For the balanced reaction equation: 302 + CS2 → CO2 + 2802 Calculate the number of moles of CO2 produced when 10.8 moles of O2 react completely with excess CS2. 2. (10) For the balanced reaction equation: N2 + 3H2 → 2NH3 Calculate the mass in grams of NH3 produced when 8.54 grams of H2 react completel with excess N2. 3. (6) How many moles of NH3 are present in 204...
1. Calculate AH for the reaction C2H4 (8) + H2() → C2H6), from the following data. C2H4 (g) + 3 02 (®) → 2 CO2 (s) + 2 H20 (1) C2H6 (g) + 7/2 02(g) → 2 CO2(g) + 3 H20 (1) H2 + 1/2O2() → H20 (1) AH = -1411. kJ/mole AH = -1560. kJ/mole AH = -285.8 kJ/mole 2. Calculate AH for the reaction 4 NH3(g) +502 (g) → 4 NO(g) + 6 H20 (g), from the following...
Using the balanced equation for the combustion of ethanol, answer the following question. C2H6O(l) + 3 O2(g) → 2 CO2(g) + 3 H2O (g) How many grams of O2 are needed to react with 0.28 mol of ethanol?
QUESTION 1 Balance the equation: Al203 02 Al QUESTION 2 Balance the equation Hа0 CO2 O2 -> C2H6 QUESTION 3 Balance the equation: Caso4 Al(OH)3 Caа(ОН)2 Al2(S04)3 + QUESTION 4 Which chemical equation is properly balanced? 2 SO2 O2 2 H30 -2 H2SO4 so2+O2+ H20> H2$O4 So2+O2+4 H202 H2SO4 4 SO O24 H20-4 H2SO4 answers
How to solve for D, E 5. Answer the following based on the balanced equation: 4 NHs +5 02-4 NO+6 H20 How many moles of NH; are needed to produce 9.0 mol of water? 6.0 mol NH3 How many moles of NHs are needed to produce 2.0 mol of NO? 2.0 mol NHs How many moles of oxygen are needed to produce 9.0 mol of water? 7.5 mol 02 How many grams of NH3 are needed to produce 3.0 mol...
At elevated temperatures in an automobile engine, N2 and O2 can react to yield NO. The balanced equation for the reaction is N2 + O2 2NO Question: E. How many grams of oxygen are needed to react with 105 g of nitrogen?
What will the coefficient be for NaOH in the chemical equation listed below when the equation is balanced? H3PO4 (aq) + NaOH(aq) → Na3PO4 (aq) + H20 (1) d) 4 a) 1 b) 3 c) 2 8. How many grams of metallic Na will be needed to produce 25.43 grams of H2 upon reaction with H2O? 2 Na (s) +2H20 (1) + NaOH (aq) + H2 (8) a) 578.8 g b) 868.3 g c) 289.4 g d) 45.98 g 9....
Question 4 1 pts Which of the following mole ratios CANNOT be derived from the reaction 2 502 (g) + O2 (g) + 2 H20 (1) --> 2 H2SO4 (aq) ? 02 mol SO2 2 mol H2SO4 2 mol H2SO4 2 mol O2 0 1 mol O2 2 mol H20 O 2 mol O2 1 mol O2 2 mol H20 2 mol SO2 Question 1 1 pts What do the coefficients in a balanced equation tell us? Mark ALL that...
7. What will the coefficient be for NaOH in the chemical equation listed below when the equation is balanced? H3PO4 (aq) + NaOH (aq) → NasPO4 (aq) + H20 (1) c) 2 d) 4 How many grams of metallic Na will be needed to produce 25.43 grams of Hz upon reaction with H2O? 2 Na (s) + H20 (1) + NaOH (aq) + H2 (g) a) 578.8 g b) 868.3 g c) 289.4 g d) 45.98 g 9. How many...
Using the balanced equation for the combustion of ethanol, answer the following question. C2H6O(l) + 3 O2(g) → 2 CO2(g) + 3 H2O (g) ethanol How many grams of O2 are needed to react with 0.19 mol of ethanol?