Given the study of combustion of butane in the bomb calorimeter in the last problem, what is the enthalpy of reaction for the reaction given below? Give your answer in decimal form to 3 significant figures. Do not enter units since they are already given. (Hint: the reaction below shows 2 moles of butane) 2 C4 H10 (g) + 13 O2 (g) – 8 CO2 (g) + 10 H20 (1) kJ

Given the study of combustion of butane in the bomb calorimeter in the last problem, what is the enthalpy of reaction for the reaction given below? Give your answer in decimal form to 3 significant figures. Do not enter units since they are already given. (Hint: the reaction below shows 2 moles of butane) 2 C4 H10 (g) + 13 O2 (g) – 8 CO2 (g) + 10 H20 (1) kJ

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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A bomb calorimeter, or constant volume calorimeter, is a device often used to determine the heat of combustion of fuels and the energy content of foods. Since the "bomb" itself can absorb energy, a separate experiment is needed to determine the heat capacity of the calorimeter. This is known as calibrating the calorimeter. In the laboratory a student burns a 0.348-g sample of decanoic acid (C10H2002) in a bomb calorimeter containing 1000. g of water. The temperature increases from 26.00 °C to 28.40 °C. The heat capacity of water is 4.184 Jg-l°c-1. The molar heat of combustion is -6080. kJ per mole of decanoic acid. C10H2002(s) + 14 O2(g) 10 CO2(g) + 10 H20(1) + Energy Calculate the heat capacity of the calorimeter. heat capacity of calorimeter J/°C
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Using Hess's Law to calculate net reaction enthalpy Nitric oxide (NO) can be formed from nitrogen, hydrogen and oxygen in two steps. In the first step, nitrogen and hydrogen react to form ammonia: N₂(g) + 3H₂(g) → 2NH3(g) In the second step, ammonia and oxygen react to form nitric oxide and water: 4 NH3(g) + 50₂(g) → 4NO(g) + 6H₂O(g) ΔΗ= - 905. kJ ΔΗ= - 92. kJ Calculate the net change in enthalpy for the formation of one mole of nitric oxide from nitrogen, hydrogen and oxygen from these reactions. Round your answer to the nearest kJ. kJ X S
When 0.8451 g of naphthalene (C10H8) combusts in a bomb calorimeter, the temperature rises by 1.538°C. What is AUrxn for the reaction in kJ/mol naphthalene? The heat capacity of the bomb calorimeter is 22.15 kJ/°C. O Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimale.g. 2.5E5 for 2.5 x 10) Type your numeric answer and submit
Given the following thermochemical equations P4(s) + 6C12(g) 4PCI3(g) AH = -2439 kJ/mol 4PCI5(g) → P4(s) + 10CI 2(g) AH = 3438 kJ/mol find the AH for the reaction below, PCI5(g) → PC|3(g) + Cl2(g) O A) +249.8 kJ/mol O B) +999 kJ/mol O C) -999 kJ/mol O D) -249.8 kJ/mol
When a chemist burns ammonia according to the reaction below she finds that the reaction releases heat. (It is exothermic.) 4NH3(g) + 3O2(g) 2N2(g) + 6H2O(g) The enthalpy of the reaction DH = -1267 kJ. What is the enthalpy change (in kJ) when 3 grams of ammonia are burned?
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For the combustion of methane(CH4) CH4 (g) + 2 O2 (g) --> CO2 (g) + 2H2O (g) Δ H = -882 kJ/mol If 250.0 g of CH4 is burned , what is the energy change? ( Answer in Kj. Answers in scientific notation are entered such as 1.234 e4 )
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Methane (CH4) burns in oxygen via the following reaction:CHa(g) + 202(g) > CO2(g) + 2H20(g) ; AH= -890 kJWhat is the enthalpy change for the combustion of 148.2 grams of methane ?
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References Use the References to access important values if needed for this question. When N2(g) react with O2(g) to form N,0(g) according to the following equation, energy is absorbed from the surroundings. 2N2(g) + O2(g) 2N2O(g) Is this reaction endothermic or exothermic? What is the sign of AH for the reaction? Would the energy of the surroundings increase or decrease as a result of this process? Submit Answer alpy and Representing Energy Change: This is group attempt 2 of 5 Regenerate C Autosaved at 4:41 PM hp