Use the following to answer the next 2 questionsMuch of the lead used for batteries and ammunition during the First World War and the Second World War came from galena, PbS(s). Equation I represents the first step in the refining process to produce solid lead from galena.Equation I 2PbS(s) + O₂(g) → 2PbO(s) + 25O₂(g) AH° -827.4 kJIf energy were included as a termthe equation, it would written asSelect one:2PbO(s) + 25O₂(g)O2PbS(s) + O₂(g) + 827.4 kJⒸ2PbS(s) + O₂(g) → 2PbO(s) +2SO₂(g) + 827.4 kJO 2PbS(s) + O₂(g) → 2PbO(s) + 2SO₂(g) - 827.4 kJO 2PbS(s) + O₂(g) - 827.4 kJ2PbO(s) + 2SO₂(g)Clear my choiceThe enthalpy change for 1.00 mol of galena being oxidized in Equation expressed in scientific notation, is ta.bc x 10d The values of a, b, c and d are +moland

Given thermochemical reaction equation is Equation : 2PbS(s) + O2(g)--> 2PbO(s) + 25O2(g) ; ∆H°=…

Use the following to answer the next 2 questions Much of the lead used for batteries and ammunition during the First World War and the Second World War came from galena, PbS(s). Equation I represents the first step in the refining process to produce solid lead from galena. Equation I 2PbS(s) + O₂(g) 2PbO(s) + 250₂(9) A,H-827.4 kJ If energy were included as a term in the equation, it would written as Select one: O 2PbS(s) + O₂(g) + 827.4 kJ ● 2PbS(s) + O₂(g) O 2PbS(s) + O₂(g) O 2PbS(s) + O₂(g)-827.4 kJ Clear my choice 2PbO(s) + 2SO₂(g) 2PbO(s) + 25O₂(g) + 827.4 kJ 2PbO(s) + 25O₂(g) - 827.4 kJ 2PbO(s) + 2SO₂(g) The enthalpy change for 1.00 mol of galena being oxidized in Equation I, expressed in scientific notation, is ±a.bc × 10. kj The values of a, b, c and d are + and

Use the following to answer the next 2 questions Much of the lead used for batteries and ammunition during the First World War and the Second World War came from galena, PbS(s). Equation I represents the first step in the refining process to produce solid lead from galena. Equation I 2PbS(s) + O₂(g) 2PbO(s) + 250₂(9) A,H-827.4 kJ If energy were included as a term in the equation, it would written as Select one: O 2PbS(s) + O₂(g) + 827.4 kJ ● 2PbS(s) + O₂(g) O 2PbS(s) + O₂(g) O 2PbS(s) + O₂(g)-827.4 kJ Clear my choice 2PbO(s) + 2SO₂(g) 2PbO(s) + 25O₂(g) + 827.4 kJ 2PbO(s) + 25O₂(g) - 827.4 kJ 2PbO(s) + 2SO₂(g) The enthalpy change for 1.00 mol of galena being oxidized in Equation I, expressed in scientific notation, is ±a.bc × 10. kj The values of a, b, c and d are + and

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Consider the combustion of liquid C5H3 in oxygen gas to produce carbon dioxide gas and water vapor. In an experiment, 0.1063 g of C5H8 is combusted to produce enough heat to raise the temperature of 150.0 g of water by 7.632 °C. Write the reaction that takes place using whole number coefficients.
Energy for recycling Cu: ________ kJ
Consider the following reaction. (a) Is the reaction exothermic or endothermic? exothermic endothermic CH3OH(g) → CO(g) + 2 H₂(g) AH +90.7 kJ (b) Calculate the amount of heat transferred when 35.0 g of CH3OH(g) are decomposed by this reaction at constant pressure. ΔΗ= 100.8 (c) If the enthalpy change is 19.0 kJ, how many grams of hydrogen gas are produced? 0.42 x g (d) How many kilojoules of heat are released when 13.0 g of CO(g) reacts completely with H₂(g) to form CH₂OH(g) at constant pressure? AH = -90.7 X kJ (e) Calculate AE when 400.0 g of CH3OH(g) completely reacts at a constant temperature of 300 K and constant pressure of 0.95 atm. R = 8.314 J/mol*K and R = 0.08206 atm*L/mol K-41.7 XkJ HopHelpCh5N1
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4. You wish to determine the amount of heat produced by the reaction of propane with oxygen. You are given some known reactions: I. II. III. 3 C(s) (g) + 4H₂(g) → C₂H₂ (g) C(s) (g) + O₂(g) → CO₂ (g) H₂(g) + O₂(g) → H₂O (1) ΔΗ, ΔΗ, ΔΗ, (a) Combine reactions 1, 2 and 3 to form a series of steps that sum to the combustion of propane: C₂H₂(g) +50₂ (g) →3CO₂ (g) + 4H₂O (1) (b) Given the following values for the enthalpy changes, combustion of propane. AH₂=-393.5 kJ/mol AH, =-103.85 kJ/mol calculate AH for the AH, = -285.8kJ/mol
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MISSED THIS? Watch IWE: Stoichiometry Involving AH; Read Section 7.6. You can click on the Review link to access the section in your eText. Titanium reacts with iodine to form titanium(III) iodide, emitting heat. 2Ti(s) +31₂(g) → 2Til3(s), AH = -839 kJ Part A Determine the mass of titanium that reacts if 2.30 x 10³ kJ of heat is emitted by the reaction. Express your answer to three significant figures and include the appropriate units. m(Ti) = Part B m(1₂) = μA Value Request Answer Ti Determine the mass of iodine that reacts if 2.30 x 10³ kJ of heat is emitted by the reaction. Express your answer to three significant figures and include the appropriate units. μA Value Units Request Answer ? Units ?
59.) Gasohol is gasoline mixed with ethanol (C2H5OH). If 0.230 g of ethanol produces 7.24 kJ of energy when burned, what would be the AH for the combustion of one mole of ethanol?
Do not give handwriting solution.
can you please solve part c and d