Answered: 8. Liquid ethanol, C,H;OH(1), has been…

8. Liquid ethanol, C,H;OH(1), has been proposed as an alternative fuel. Calculate the standard enthalpy of combustion per gram of liquid ethanol. m

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...

See similar textbooks

Related questions

Q: A scientist measures the standard enthalpy change for the following reaction to be -171.6 kJ :…

A: Given;

Q: Give the mathematical expression of enthalpy.

A: Enthalpy: it is the total amount of heat in a particular system. That is the amount energy absorbed…

Q: Which of the following substances is paramagnetic? A. KCl B. MgO C. CaCl2 D. Fe2O3 E. CuI…

A: Paramagnetic property depends on electronic configuration. If an ion or an atom possesses unpaired…

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A: Given :- Mass of CsBr = 5.17 g Mass of Water = 102.40 g Temperature drops from 24.20 °C to 22.60…

Q: The thermite reaction, in which powdered aluminum reacts with iron oxide and yields aluminum oxide…

A: Thermite reaction is the reaction between a metal and a metal oxide. In this reaction, the metal…

Q: Use the following calorimetrically determined enthalpy changes to predict the standard enthalpy…

A: Enthalpy of the reaction is the amount of energy released or absorbed by a reaction. If the energy…

Q: Draw the structure of the product of the reaction between the compound shown below and H,S04. CH3…

A: Here, the given compound is reacting with H2SO4 , we have to find out the product formed in this…

Q: 5. Calculate the enthalpy of reaction for the following reaction that methanogenic bacteria use to…

A: Answer: Enthalpy of a reaction is always equal to the difference between enthalpy of formation of…

Q: Calculate enthalpy of reaction given reaction enthalpies for proposed steps in a process. K+(g) +…

Q: Carbon disulfide is a colorless liquid. When pure, it is nearly odorless, but the commercial product…

Q: 2 H.O(g) ½ 0. (g) + H.O AH = -241,8 kJ/mol 1. 2. C(s) + 0.(g) → 2 CO.(g) AH9 = -393,5 kJ kJ/mol 3.…

A: If the enthalpy changes ΔH is negative, then reaction will be exothermic. If the enthalpy change ΔH…

Q: The standard enthalpy change for the following reaction is -511 kJ at 298 K.Br2(l) + 3 F2(g)--->2…

A: The objective of the question is to find the standard enthalpy change for the reaction 1/2 Br2(l) +…

Q: 4. Consider the following equations: 4 PCI; 1. P₁ + 6 Cl₂ → P₁ +50₂ → 2. P₂010 AH₁ = -1226 kJ AH₂ =…

A: Given, Enthalpy change for the few reactions are given, 1) P4 + 6Cl2 ➝ 4PCl3 ∆H1 = -1226 kJ 2) P4 +…

Q: 1). A reaction was performed in a coffee cup calorimeter with an assumed calorimeter constant of…

A: Since you have posted multiple questions, we'll answer the first one. If yo want any other questions…

Q: Based on this value and the standard enthalpies of formation for the other substances, the standard…

A: Standard enthalpy of formation is the change in enthalpy that accompanies the formation of one mole…

Q: Determine the enthalpy for the reaction shown below. CS2(l) + 3O2(g) --> CO2(g) + 2SO2(g)…

A: Standard enthalpy values CS2 (l) = 89.41 kJ/mol O2 (g) = 0 kJ/mol CO2 (g) = -393.509 kJ/mol…

Q: The enthalpy change for the reaction of hydrogen gas with fluorine gas to produce hydrogen fluoride…

Q: Use standard enthalpies of formation, AH;, to calculate the AH?xn for 2 NO(g) + 2 H, (g) → N, (g) +…

A: Answer: Formula to calculate enthalpy of reaction from the enthalpy of formation is shown below:…

Q: A student heats 84.17 mL of water to 95.27°C using a hot plate. The heated water is added to a…

A: Heat loss by hot water = heat gain by cold water + heat gain by calorimeter density = massvolume

Q: 2. surrou. Calculate the enthalpy change to be expected for the reaction NaCl(s)→ NaCl(aq) where (s)…

Q: 6. How much work is needed in a system to expand from 25 to 50 L against a pressure of 7 atm? Is…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: The enthalpy of a system can be written as H = U + PV. Show that the enthalpy change AH can express…

A: A question based on chemical thermodynamics that is to be accomplished.

Q: Ethanol, C₂H₂OH, is mixed with gasoline and sold as gasohol. Use the following to calculate the…

A: Ethanol reacts with oxygen to form carbon dioxide and water. The equation for the balanced chemical…

Q: 5. Use the data in the following tables and answer the following questions. a) The experimental data…

A: Given that, Mass of ethanol = 3.26 g Heat capacity of calorimeter = 11.7 kJ/0C Initial temperature…

Q: [References] Use the References to access important values if needed for this question. A scientist…

A: ∆fH°(H2S,g) = -20.6 KJ/mole ∆fH°(SO2,g) = -296.8 KJ/mole ∆fH° (O2,g) = 0 KJ/mole

Q: ART 1. DETERMINATION OF THE HEAT CAPACITY OF THE CALORIMETER

Q: The enthalpy change in the hydrogen combustion reaction is H2(g) + O2(g) H2O(1) AH-241.8 kJ/mol.…

Q: Many portable gas heater and grills use propane as a fuel. Using standard enthalpies of formation,…

A: Thermodynamic is the branch of chemistry that mainly deals with the heat transfer between system and…

Q: 1. Calculate the enthalpy for this reaction: 3NO 2 (g) + H 2 O(ℓ) ---> 2HNO 3 (aq) + NO(g) given…

A: Given reactions are : 1). 2NO (g) + O2 (g) -----------> 2NO2 (g), ΔH1o = ─ 116 kJ2). 2N2 (g) +…

Q: Using values from Appendix C in your textbook, calculate the standard enthalpy change when gaseous…

Q: 3. Calculate the standard enthalpy of reaction for the following reactions: A) 2 NH3(g) + /2 O2lg)→2…

A: We can find standard enthalpy of reaction by using standard enthalpy of formation values of…

Q: A scientist measures the standard enthalpy change for the following reaction to be -1152.8 kJ:…

Q: In parts 2, 3 and 4 of this lab, you will be conducting calorimetry experiments on neutralization…

A: In calorimeter, the heat of the reaction is calculated using the formula q=m×c×∆T where m is the…

Q: e enthalpy change

Q: 8. The heat of combustion of propane gas is measured in a copper bomb calorimeter. The copper bomb…

A: Answer:The law of conservation of energy states that energy cannot be created noe destroyed. It can…

Q: 3. Methanol undergoes combustion according to the equation: 2CH,OH + 30, 2C0 2(g) + 4H,0 ) AH = -1…

Q: Consider the following two reactions and write down the balanced chemical equations. Reaction 1:…

A: Given,

Q: 25.0 mL of 1.00 M HCl at 24.3°C react with 25.0 mL 1.00 M NAOH in a styrofoam calorimeter whose…

A: Using the energy conservation , in calorimeter heat given in the reaction of neutralisation =heat…

Q: Carbon disulfide is a colorless liquid. When pure, it is nearly odorless, but the commercial product…

A: Standard enthalpy change is calculated by looking at change in enthalpy of product and reactant

Q: The standard enthalpy changes for the formation of aluminum oxide and iron (III) oxide are 2 Al(s) +…

Q: 6. Enthalpies of Formation: A common experiment in industrial chemistry application is when Ethanol…

Q: w (horsqlisa boling) vibos paimundo vilanden pol 7. For which of the following reaction(s) is the…

Q: 1. Calculate the enthalpy of reaction for the combustion of methane gas, CH4, to form CO,(g) +…

A: In this question, we want to Calculate tye Enthalpy of the combustion Reaction for methane. You can…

Q: Calculate the enthalpy of the following reaction using the data in the table. 2A +2B + 5C 4D + 4E…

A: Hess's law states that the amount of heat evolved or absorbed in a process is independent of the…

Question

8. Liquid ethanol, C,H,OH(1), has been proposed as
an alternative fuel. Calculate the standard enthalpy
of combustion per gram of liquid ethanol. m

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Similar questions

A chemist carefully measures the amount of heat needed to raise the temperature of a 1.85 kg sample of C,H,,S from -0.2 °C to 10.8 °C. The experiment shows that 4.04 × 10" J of heat are needed. What can the chemist report for the molar heat capacity of C,H,S? Round your answer to 3 12 significant digits. |J•mol 1 ·K x10 ?
What is the assumption made when chemical reactions are performed which allows us to use enthalpy, ΔH, instead of energy, ΔE?
nuraipy changes in chemical reactions Read through pages 18-20 in your laboratory manual for information on how to calculate the enthalpy change in a solution. Part A - Calculating ms In a calorimetry experiment 5.6 g of potassium hydroxide is dissolved in 400 mL water in a thermos flask. The temperature increase in the solution is 7 °C. The effective mass of the glass in the thermos flask (mcal) is 0.040 kg. The heat capacity of the solution (Cs) is 4.04 kJkg-¹K-1¹. The heat capacity of the calorimeter (Ccal) is 0.387 kJkg-¹K-1. Remember to enter your answer using the specified number of significant figures, but keep the entire number in your calculator for use in further calculations. Calculate the total mass of solution in kilograms (ms) Give your answer to four significant figures. ▾ View Available Hint(s) Hint 1. Calculating ms mg = mass water (kg) + mass solute (kg) —| ΑΣΦ Submit Request Answer ? kg < Pear 10
Calculate the standard enthalpy of reaction for the combustion of methane. Round to the nearest whole number.CH4(g) + O2 --> CO2(g) + 2H2O(l) kJ/mol Compound Hf (kJ/mole) CH4(g) -75 CO2(g) -394 H2O(l) -284 This reaction is: endothermic or exothermic
1. A certain two-step process involves transfer of heat and work between the system and the surroundings. In the first step, the internal energy, AE, of the system increases by 115.4 J when 95.1 J of work is done on the system. In the second step, the internal energy of the system decreases by 32.2 J when 15.6 J of work is done on the surroundings. In the first step of the two-step process, how much heat, in Joules, was absorbed or released? b. How much heat, in Joules, was absorbed or released in the whole two-step process? a.
A calorimeter is calibrated by mixing two aqueous solutions each with a volume equal to 44.4 mL. The reaction is known to produce 1,465 J of heat, and the measured temperature rise is 4.64 K. Heat produced by the reaction is absorbed by the calorimeter and the resulting solution in it. The same calorimeter is used in a subsequent experiment where 44.4 mL of 0.430 mol L-1 HCl are mixed with 44.4 mL of 0.43 of NaOH. The temperature rises by 3.38. Calculate the heat evolved by the reacting system in J *be sure to include the correct sign in your answer*. heat evolved (J) = What is the enthalpy of the neutralization reaction in kJ/mol ? Enthalpy of Reaction (kJ/mol) = kJ/mol
A 77.5g piece of brass is heated so that its temperature is 98.7◦C. Next,it is quickly placed in a calorimeter containing 102.76 g of water at 18.5◦C.Knowing that the final temperature is 23.5◦C, what is the specific heat of this alloy?Note: Brass is an alloy of copper and zinc. From 98.7 to 23.5◦C, this alloy does not changeno phase, it remains in solid form.
When 1.42 g of iron reacts with 1.80 g of chlorine, 3.22 g of iron(II) chloride (FeCl2, molar mass = 126.75 g/mol) and 6.8 kJ of heat is produced. What is the enthalpy change for the reaction when 1 mole of iron(II) chloride is produced? round to sig figs
II. Rapid walking through a distance of 2.2 km for 30 minutes per day requires 41 J while swimming for the Same penod of time through the same distance requires 226 J. Will these forms of exercise allow you to lose weight equivalent to ig of glucose (MW = 180 g/mol) in 1 week? The standard enthalpy of combustion of glucose is -2806 kJ.
Determine the change in enthalpy (kJ/mol) for the following reaction. Use significant figures CH4(g) + 2O2(g) -> CO2(g) + 2H2O(l) H=?
5. When 1.00g of NaCl (MM 58.44 g/mol) is dissolved in 50.00g of water, the temperature drops by 0.319°C. This temperature change is only detectable by the most sensitive thermometers. If this process takes place in a very well insulated calorimeter, no calorimeter constant is needed. a. Calculate the enthalpy change per gram of NaCl. b. Calculate the enthalpy change per mole of NaCl.
3. Calculate the enthalpy change for the reaction P406 (s) + 2 02 (g) → P4010 (s) given the following enthalpies of reaction: AH = -1640.1 kJ P4 (s) + 3 02 (g) P4 (s) + 5 02 (g) → P406 (s) → P4010 (s) AH = -2940.1 kJ