Answered: interpret the balanced chemical…

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interpret the balanced chemical equation 2C2H6 + 7O2 --> 4CO2+ 6H2O

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter2: Chemical Formulas, Equations, And Reaction Yields

Section: Chapter Questions

Problem 20P

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A power plant is driven by the combustion of a complex fossil fuel having the formula C11H7S. Assume the air supply is composed of only N2 and O2 with a molar ratio of 3.76:1.00, and the N2 remains unreacted. In addition to the water produced, the fuels C is completely combusted to CO2 and its sulfur content is converted to SO2. In order to evaluate gases emitted at the exhaust stacks for environmental regulation purposes, the nitrogen supplied with the air must also be included in the balanced reactions. a Including the N2 supplied m the air, write a balanced combustion equation for the complex fuel assuming 100% stoichiometric combustion (i.e., when there is no excess oxygen in the products and the only C-containing product is CO2). Except in the case of N2, use only integer coefficients. b Including N2 supplied in the air, write a balanced combustion equation for the complex fuel assuming 120% stoichiometric combustion (i.e., when excess oxygen is present in the products and the only C-containing product is CO2). Except in the case of use only integer coefficients c Calculate the minimum mass (in kg) of air required to completely combust 1700 kg of C11H7S. d Calculate the air/fuel mass ratio, assuming 100% stoichiometric combustion. e Calculate the air/fuel mass ratio, assuming 120% stoichiometric combustion.
Balance each equation. (Use the lowest possible whole number coefficients. Omit states-of-matter from your answers.) (a) HNO3 + Ca(OH)2 → Ca(NO3)2 + H2O -> (b) Cu(NO3)2 + H2S → CuS + HNO3 (c) C2H4 + 02 → CO2 + H2O + (d) CaCO3 + HCl → CaCl2 + CO2 + H2 O
A 0.879 g sample of a CaCl22H2O/K2C2O4·H2O solid salt mixture is dissolved in ~100 mL of deionized water. The precipitate, after having been filtered and air-dried, has a mass of 0.284 g. The limiting reactant in the salt mixture was later determined to be CaCl2·2H2O. Write the ionic equation for the reaction. Write the net ionic equation for the reaction. How many moles and grams of CaCl22H2O reacted in the reaction mixture? How many moles and grams of the excess reactant, K2C2O4H2O, reacted in the mixture? How many grams of the K2C2O4H2O in the salt mixture remain unreacted (in excess)? What is the percent by mass of each salt in the mixture
Balance the following chemical equation: K2S(s) + HBr(aq) >H2S(g) + KBr(aq)
Q3(B) Balance the following chemical equations.
00 S Nazza .01608 ·018302 3. (part a). You are given 0.104 g of a sample of KwFex(C₂O4)y(H₂O)z. In the laboratory, you titrate this sample with 0.00940 M KMnO4 and you need 10.1 mL of the KMnO4 solution to reach the stoichiometric point. Calculate the mass and moles of [C₂04]²- in the sample. Please show all of your detailed calculations.
Balance the following chemical equations.
Consider the general chemical equation 3A+B 2C.
How many grams of Ag,CO3 will precipitate when excess Na,CO3 solution is added to 49.0 mL of 0.560 M AGNO3 solution? 2AGNO3(aq) + Na,CO;(aq) Ag,CO3(8) + 2NaNO3(aq) g
1. Balance the equation P2O5 + H2O -> H3PO4 What is the coeffiecient of P2O5, H2O, H3PO4 respectively? 1A. Balance the equation B10H18 + O2 -> B2O3 + H2O What is the coeffiecient of B10H18, O2, B2O3, H2O respectively? 1B. Nitrogen gas and Hydrogen gas were combined to form Ammonia. Compute for the grams of Nitrogen when Hydrogen is 7.08 mol Atomic weight: Nitrogen 14.0g/mol Hydrogen 1.00g/mol 1C. Nitrogen gas and Hydrogen gas were combined to form Ammonia. Compute for the grams of Ammonia when Nitrogen is 3.09 grams. Atomic weight: Nitrogen 14.0g/mol Hydrogen 1.00g/mol
Balance the chemical equation. CS₂ + NH3 H₂S + NH4SCN Assume the coefficient of NHSCN is 1. What is the balanced equation? CS₂ + NH3→H₂S+NHSCN
Properly balance the chemical equation using coefficients: CO2 (g) _H2O (1) → _C6H12O6 (aq) O2 (9) + 6, 1, 6, 6 1, 6, 6, 6 O 1, 1, 1, 1 O 6, 6, 1, 6

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