5.) The atomic weights of three compounds are shown. Usea linear system and Cramer's rule to find the atomicweights of carbon(C ), hydrogen(H), and oxygen(O).CompoundFormulaAtomic weightMethaneCH457GlycerolC3H3O3185WaterH2O59

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Answered: 5.) The atomic weights of three…

Chemistry: Matter and Change

1st Edition

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Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

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Chapter15: Energy And Chemical Change

Section15.4: Calculating Enthalpy Change

Problem 39SSC

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L. Using Table 1, calculate AH; for each of the following reactions. Tell if each is exothermic or endothermic. a. 2 NO(g) + 0:(8) → 2 NO:(g) b. 2 C,Hlg) + 70:(g) → 4 CO.(g) + 6 H;0(g) c. N:(g) + 3 H:(g) - 2 NH:(g) d. 2 CH;OH(1) + 3 0:(g) → 2 CO:(g) + 4 H;0(g) e. 2 SO:(g) + 0:(8) + 2 S0,(g) f. 2 CH«(g) + 30:(8) → 2 CO:(g) + 2 H;0(g) & 2 CO(g) + O:(8) → 2 CO:(g) h. N;(8) + O:[g) → 2 NO(8) II. Calculate AH, for each of the following (using Table 1). i CHxo from the reaction 2 C;H:(B) + 5 0:(g) → 4 CO:(g) + 2 H;0(g) + 600kcal i CHo from the reaction CH«(g) • 2 0:(g) CO:(g) + 2 H;0(g) + 192 kcal III. Given the following reactions k S+ 0: - So: 71.0 kcal 2 so, + 0: - 2 s0, + 47.0 kcal Calculate AH, for 2 S + 3 0: - 2 SO, L 2C + 0, - 2 co + 52.8 kcal 2 co + 0; - 2 CO; + 125 kcal Calculate AlH, for C + 0z - co: IV. Calculate AH, AS and AG at 25 C, and tell if the reaction will go spontaneously (use Table 1 and 2) m. N:(g) + 3 H:(R) → 2 NH:(8) n. 2 CO(g) + 0:(g) - 2 CO:(8) a 2 CH:(g) + 5 0:(8)…
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For each organic compound in the table below, name the highlighted alkyl group. CH₂ - CH₂ 1 4 HO C CH CH₂ CH₂ CH3 HIC=0 compound HO HIC C CH₂ || CH₂ - CH₂ - CH₂ | C- CH CH₂ - CH₂ I - - CH₂ - CH₂ I | CH₂ - CH3 C - OH name of highlighted alkyl group X 0 □ 0
5112480241329813180832311&elSBN=9781305862883&id=1774598910&snapshotid=33... A bomb calorimeter, or a constant volume calorimeter, is a device often used to determine the heat of combustion of fuels and the energy content of foods. In an experiment, a 0.6158 g sample of benzoic acid (C7H6O2) is burned completely in a bomb calorimeter. The calorimeter is surrounded by 1.148x10³ g of water. During the combustion the temperature increases from 27.72 to 30.66 °C. The heat capacity of water is 4.184 J g-¹°C-¹. The heat capacity of the calorimeter was determined in a previous experiment to be 902.7 J/°C. Assuming that no energy is lost to the surroundings, calculate the molar heat of combustion of benzoic acid based on these data. C₂H6O₂ (s) + (15/2) O₂(g) →→3 H₂O(1) + 7 CO₂(g) + Energy Molar Heat of Combustion = kJ/mol Submit Answer Calorimeter Calculations: This is group attempt 1 of 10 MacBook Air Autosaved at 9:03 PM Ignition wires heat sample Insulated outside chamber Water Stirrer…
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ORT SHEET Heat of Neutralization EXPERIMENT elemsboomfchg lom 12 A. Heat Capacity of Calorimeter 1. Temp. of calorimeter and water before mixing 2. Temp. of warm water °C 22.0 39,0 30.3 3. Maximum temp. determined from your curve °C 4. Heat lost by warm water (temp decrease x °C 50.0 g x 4.184 J/K-g) = 02), 5. Heat gained by cooler water (temp. increase x 50.0 g x 4.184 J/K-g) = 30,3 22.0)x 13626J s0.0gmpi S0.0gy 6. Heat gained by the calorimeter [(4) – (5)] = 7. Heat capacity of calorimeter: heat gained by the calorimeter temperature increase J/K 3. Heat of Neutralization of HCl-NaOH 22.2 22.2. °C . Temp. of calorimeter and NaOH Temp. of HCI AT determined from your curve after adding HC1 °C to the NaOH Heat gained by solution (temperature increase x ON 100 g x 4.184 J/K-g) = 9977.8J %3D Heat gained by calorimeter (temperature increase x heat capacity of calorimeter) = J %3D Total joules released by reaction [(3) + (4)] = Tight O 2018 Pearson Education, Inc.
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5.) The atomic weights of three compounds are shown. Use a linear system and Cramer's rule to find the atomic weights of carbon(C ), hydrogen(H), and oxygen(O). Compound Formula Atomic weight Methane CHA 57 Glycerol C3H3O3 185 Water H20 59