None WARDS GRADEClose ProblemCalculate the boiling point of a solution.What is the boiling point of a solution containing 70.70 g of the nonvolatile nonelectrolyte alizarin(C14H8O4) and 157.4 g of ethanol (C2H5OH)? The normal boiling point of ethanol is 78.5 °C and Kbpfor ethanol is 1.22 °C/m.Check & Submit°C

Step 1: Calculate the molar mass of alizarin (C14H8O4)Given:Carbon (C) has an atomic mass of about…

Answered: WARDS GRADE Close Problem Calculate the…

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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Cyclopropane (CH2)3 was burned to carbon dioxide and liquid water, as represented by the equation (CH2)3(g) + 9/2O2(g) = 3CO2(g) + 3H₂O(1) The heats of combustion of (CH2)3, carbon, and H₂ are, -500.0, -94.0 and -68.0 kcal mol-¹, respectively. The heat of formation of propylene, CH3CH=CH₂ is 4.9 kcal/mole. Calculate the heat of isomerization (in kcal mol-¹) of (CH₂)3 to propylene.
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[Review Topics] [References] Use the References to access important values if needed for this question. Ethanol, C2H,O, is most often blended with gasoline - usually as a 10 percent mix - to create a fuel called gasohol. Ethanol is a renewable resource and ethanol-blended fuels, like gasohol, appear to burn more efficiently in combustion engines. The heat of combustion of ethanol is 326.7 kcal/mol. The heat of combustion of hexane, C,H14, is 995.0 kcal/mol. How much energy is released during the complete combustion of 479 grams of hexane ? kcal Assuming the same efficiency, would 479 grams of ethanol provide more, less, or the same amount of energy as 479 grams of hexane? Submit Answer Retry Entire Group 9 more group attempts remaining
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500.0 mL of 0.100 mol·L HCl(aq) was added to a high quality insulated calorimeter containing 500.0 mL of 0.100 mol·LNaOH(aq). Both solutions had a density of 1.000 g·mL and a specific heat of 4.184 J·g ·K . The calorimeter had a heatcapacity of 850.0 J·K . The temperature of the entire system rose from 25.50 C to 26.05 C.Calculate the heat of reaction. Thank you!
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Name these organic compounds: Η Η Η Η Η Η ||| C=C=C-H ||| Η Η Η Η Η II H — C =C=C=C=C - H ||||| Η structure Η Η Η Η Η Η H H Η Η Η | Η ||| H – C – C =C=C=C=C=CH ||||||| Η Η Η Η Η Η Η name Π Π Π
Give the expression for the Ksp for the following CACO3(s) Ca*2 CO3 2 Ksp = %3D
Q1. Consider the following reaction: 2 KMnO4(aq) + 3 H₂SO4(aq) + 5 H₂O2(aq) Complete the table below (answers must be values with proper signs and units). A[H₂SO4)/At -0.156 mol L ¹5-1 ->> Δ[02]/ΔΙ 0.260 mol L¹ s1 K₂SO4(aq) + 2 MnSO4(aq) + 8 H₂O(1) + 5 02(aq) A[KMnO4]/At Reaction Rate -0.104 mal L'5" 0.052 MOLL'S!
Given the following data: 2 C6H6(l) + 15 O2(g) → 12 CO2(g) + 6 H2O(l) ΔG0= -6399 kJ C(s) + O2(g) → CO2(g) ΔG0= -394 kJ H2(g) + ½O2(g) → H2O(l) ΔG0= -237 kJ Calculate the ΔG0rxn for the reaction 6 C(s) + 3 H2(g) → C6H6(l)
13, :№= daw anews N=H daw amous here :0: N=CO 가 72 Q:C=N: КО KCN, HCL KO KCN, HCL gali KⓇ that product

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