Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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According to the reaction equation below, how many moles of CO2 are produced when 3.5 mol of C2H2 reacts?
2C2H2(g) + 5O2(g) -----> 4CO2(g) + 2H2O(g)
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- When 36.7g dimethyl ether (C2H6O) is burned, 58.3g of CO2 is produced. What is the percent yield of CO2? C2H6O + 3 O2 --> 2 CO2 + 3 H2Oarrow_forwardEthyl alcohol burns, producing carbon dioxide and water: C2H5OH + 3 O2 → 2CO2+3H2O (a) If 2.5 mol of C2H5OH react with 7.5 mol of O2 in a closed container, what is the limiting reactant and how many moles of each product will be present in the container when the reaction has gone to completion? products formed: CO2, H20 excess reactant: mol CO2: i mol H2O: i (b) When 225 g of ethanol are burned, how many grams of CÓ2 and how many grams of H2O will be produced? i g CO2 i g H2Oarrow_forwardAccording to the balanced reaction below, calculate the quantity of moles of NH, gas that form when 4.20 mol of N,H, liquid completely reacts: 3 N,H,(1) → 4 NH,(g) + N,(g)arrow_forward
- How many grams of N2 are needed to completely (stoichiometrically) react with 222 g of Br2 ? N2 + 3 Br2 2 NB13 + 44.0 kJ The molar mass of Br2 is g and the molar mass of N2 is mol Br2 (2.22 x 102 g Br2)(- mol Br2 g Br2 mol N2 mol Br2 (-- -) = mol N2 mol Br2 g N2 mol N2 (-- -) = |v g N2 mol N2 а. 1 b. 2 С. 3 d. 4 е. 5 f. 253.719 g. 3.38 х 100 h. 3.26 x 103 i. 44.0 j. 1.33 x 102 k. 9.77 x 103 I. 4.44 x 102 m. 6.66 x 10² n. 500.0 o. 556 р. 90.0 q. 3.2852 r. 159.81 s. 28.013 t. 1.750 u. 0.8750 v. 13.0 w. 0.46306 х. 1.3892 у. 24.5 z. 38.5 аа. 2.190 bb. evolved Cc. absorbed dd. exothermic ee. endothermicarrow_forwardIn the reaction below, 7.0 mol of NO and 5.0 mol of O2 are reacted together. The reaction generates 3.0 mol of NO2. What is the percent yield for the reaction? 2NO (g) +O2 (g)2NO2 (g)arrow_forwardIf 100.0 molecules of H2 and 38.0 molecules of O2 react, how many molecules of H2O can be produced in the reaction below? 2 H2(g) + O2(g) → 2 H2O(g) molecules 1 2 4 6. C 7 9. +/- х 100 +arrow_forward
- how do i do thisarrow_forwardAccording to the balanced reaction below, calculate the quantity of moles of NH3 gas that form when 4.20 mol of N2H. liquid completely reacts: 3 N2H4(1) → 4 NH3(g) + N2(g) X STARTING AMOUNTarrow_forwardSuppose that 10.0g of each reactant are added to a reaction chamber causing the following reaction: SO2 + NaOH = Na2SO3 + H2O what is the yield of Na2SO3 in grams? Which reactant is in excess? Which reactant is limiting? Which reactant has some left over after the reaction finishes? How much reactant is left overarrow_forward
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