
11. Kathleen burned heptane (C7H16) in the air: CH16 (1) + 1102(g) → 7CO2(g) + 8H2O(g). Which of the following is N...
Liquid heptane, C7H16 (100.21 g/mol) burns in oxygen gas to yield carbon dioxide and water. What mass of carbon dioxide (44.01 g/mol) is produced when 10.3 g of heptane burns completely? C7H16 + 11O2 --> 7CO2 +8H2O
The compound heptane, C7H16, is a good fuel. It is a liquid at ordinary temperatures. When the liquid is burned, the reaction involved is C7H16(ℓ) + 11 O2(g)7 CO2(g) + 8 H2O(g) The standard enthalpy of formation of liquid heptane at 25 °C is -224.2 kJ mol-1; other relevant enthalpy of formation values in kJ mol-1 are: C7H16(g) = -187.6 ; CO2(g) = -393.5 ; H2O(g) = -241.8 (a) Calculate the enthalpy change in the burning of 2.000 mol liquid...
2. Menerva has 1 mol of AICI. How many moles of ions are there in 1 mol of AICI:? a. I mol i mo 10 lat b. 2 mol miza c. 3 mol d. 4 mol e, 6 mol Answer: 3. Jessica has 64.0 g of sulfur dioxide (SO2). How many oxygen atoms are there in 64.0 g of SO2? a. 64 atoms b. 128 atoms c. 6.022 x 10” atoms d. 1.806 x 10 4 atoms c. 1.204 x...
5. Heptane is the zero of the octane rating of motor fuel. It burns according to the following: CH16+ 1102 à 7CO2 + 8H20 Estimate the enthalpy change in the reaction by using bond dissociation energies, and classify the reaction as exothermic or endothermic overall. (Average BDEs in kcal/mol: C-H, 99, 0-0, 119; C=0, 191; H-O 112]. (Hint: C-H16 has 16 C-H bonds) 6. Noting that all the reagents and products in problem 5 are gases under the conditions of...
Use the following data to calculate the standard enthalpy of formation of heptane, C7H16 (l). C7H16 (l) + 11 O2 (g → 7 CO2 (g) + 8 H2O (l) ΔH° = -4817 kJ/mol ΔHf° of CO2 (g) = -393.5 kJ/mol ΔHf° of H2O (l) = -285.8 kJ/mol A)-218.2 kJ/mol B)-468.1 kJ/mol C)-223.9 kJ/mol D)-447.8 kJ/mol E)-111.5 kJ/mol
1. (9 points) Balance the following reactions: H3PO4(1) + HCIE) C4H3 + O2 CO2 + H2O PC15(s) + H2O LizNs) LiOH) + NH3(g) C3H12 + O2 CO2 + H2O 2. (12 points) Write and balance the equation based upon the following information. + H2O(1) Include the states of matter: a. Solid aluminum sulfate, carbon dioxide gas and liquid water are produced by the reaction of an aqueous solution of sulfuric acid and solid aluminum carbonate. b. The reaction of fluorine...
Question Completion Status: QUESTION 1 10 points A hydrocarbon gas is burned with air. The dry-basis (without H20) product gas composition is 1.5 mole% CO, 6 mole% CO2, 8.2 mole% O2, and 84.3 mole% N2. ne(mol C) (mol no (malain (100 mol dry gas 0.21 mol Oymol 0.015 mol COmol dry gas 0.79 mol Ny/mol 0.060 mol CO2 mol dry gas 0.082 mol Oz moi dry g 0.843 mol Nymol dry gas "wmol H20) 1. Using the method of atomic...
I was wondering how i got this wrong
Assignment 19 (Chapter 9) Formation Reactions a Review Constants Periodic Table The standard heat of formation Alle celined AB the enthalpy change for the formation of one mole ol Anchromis cangiment Alamans in their standard states. Thus, Alements in their standard starea have Ali' - Heal of formation values can be used to calculate the enthalpy change of any Part A e qual 10 AH of the products)?You do not need to...
1) Determine the effect of each of the following changes on the equilibrium mixture for the following reaction: N2(g) + O2(g) + 90.2 kJ + 2NO(g) Circle an answer for each change. a. Increasing the temperature Shift to reactants No change Shift to products b. Adding a catalyst Shift to reactants No change Shift to products c. Removing nitrogen monoxide gas Shift to reactants No change Shift to products d. Decreasing the volume of the container Shift to reactants No...
The gas ethane, C2H6(g), can be used in welding. When ethane is burned in oxygen, the reaction is: 2 C2H6(g) + 7 O2(g)4 CO2(g) + 6 H2O(g) (a) Using the following data, calculate ΔH° for this reaction. ΔH°f kJ mol-1: C2H6(g) = -84.0 ; CO2(g) = -393.5 ; H2O(g) = -241.8 ΔH° = kJ (b) Calculate the total heat capacity of 4 mol of CO2(g) and 6 mol of H2O(g), using CCO2(g) = 37.1 J K-1 mol-1 and CH2O(g) =...