Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Related questions
Question
Transcribed Image Text:Ethylene (C2H4) is the starting material for the preparation of polyethylene. Although typically made
during the processing of petroleum, ethylene occurs naturally
component of natural gas. The heat of reaction for the combustion of C2H4 is -1411 kJ/mol. How
fruit-ripening hormone and as a
as a
many grams of C2H4 must burn to give 89.7 kJ of heat?
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
Trending nowThis is a popular solution!
Step by stepSolved in 2 steps with 1 images
Knowledge Booster
Similar questions
- If 2C4H10 + 13O2 --> 8CO2 + 1OH2O is exothermic, is energy (heat) a reactant or product?arrow_forwardA 6.61g sample of an unknown salt (MM=116.82g//mol) is dissolved in 150.00g water in a coffee cup calorimeter. Before placing the sample in the water, the temperature of the salt and water is 23.72 C. After the salt has completely dissolved, the temperature of the solution is 28.54 C. Given that 156.61 g of solution increased in temperature by 4.82 °C, what quantity of heat, in J, was gained by the solution? Assume the specific heat of the solution is the same as water, 4.184 J/g• °C.arrow_forwardAcetylene is used in welding torches because it has a high heat of combustion. When 2.00 of acetylene burns with excess oxygen, it releases 40.8 KJ of energy. What is the molar energy of combustion of acetylene?arrow_forward
- Write the equation for the complete combustion of octane. If the heat of combustion of octane is -5294 kJ/mol, determine how many kJ of energy could be obtained from the combustion of one gallon of gasoline (assume the density is 703 kg/m3. Show ALL workarrow_forwardThe heat of reaction for the combustion of benzene (C6H6) is –3909.9 kJ. 2 C6H6 15 O2 → 12 CO2 + 6 H20 What would be the heat change when 161.54 g of benzene is burned in kilojoules?arrow_forward59.) 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?arrow_forward
- 6) A block of rhenium metal (specific heat =0.0329 cal/ gC) is heated to 88.2C and then dropped into 100.0 g of water initially at 26.4 C. The final temperature of the mixture is 32.4C. What was the mass of the block of rhenium?arrow_forwardA 5.43 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee cup calorimeter. Before placing the sample in the water, the temperature of the salt and water is 23.72°C. After the salt has completely dissolved, the temperature of the solution is 28.54°C. If -3.13 x 10 J of heat was lost during the dissolution reaction of 0.0465 moles of the unknown salt, what is the enthalpy change (in kJ/mol of salt) for the dissolution reaction? Type here to searcharrow_forwardConsider the following equation for the combustion of H₂: 1 H₂(g) + H₂(g) + O₂(g) → O₂(g) → H H₂O(g) + 243 kJ In order to produce 972 kJ of heat, what mass of H₂ must burn?arrow_forward
- In a constant-pressure calorimeter, 65.0 mL of 0.910 M H₂SO, was added to 65.0 mL of 0.300 M NaOH. The reaction caused the temperature of the solution to rise from 24.00 °C to 26.04 *C. If the solution has the same density and specific heat as water (1.00 g/mL and 4.184 J/g °C), respectively), what is AH for this reaction (per mole of H₂O produced)? Assume that the total volume is the sum of the individual volumes. AH = V 5 R B 6 MacBook Air N 39 8 M command P option kJ/mol H₂Oarrow_forward2 moles of lithium metal reacts with liquid water to produce solid lithium hydroxide, hydrogen gas, and 402.4 kJ/mol of heat energy. a) write a balanced thermochemical equation for the reaction b) how much heat would be produced by the reaction of 14 g of lithium with an excess of liquid water c) is the reaction endothermic or exothermic?arrow_forwardHydrogen sulfide, H2S, is produced during decomposition of organic matter. When 0.3620 mol H2S burns to produce SO2 (g) and H2O(g), -187.5 kJ of heat is released. What is this heat in kilocalories? Heat = kcalarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- ChemistryChemistryISBN:9781305957404Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCostePublisher:Cengage Learning
ChemistryChemistryISBN:9781259911156Author:Raymond Chang Dr., Jason Overby ProfessorPublisher:McGraw-Hill Education
Principles of Instrumental AnalysisChemistryISBN:9781305577213Author:Douglas A. Skoog, F. James Holler, Stanley R. CrouchPublisher:Cengage Learning 
Organic ChemistryChemistryISBN:9780078021558Author:Janice Gorzynski Smith Dr.Publisher:McGraw-Hill Education
Chemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage Learning
Elementary Principles of Chemical Processes, Bind...ChemistryISBN:9781118431221Author:Richard M. Felder, Ronald W. Rousseau, Lisa G. BullardPublisher:WILEY
Chemistry
Chemistry
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Cengage Learning
Chemistry
Chemistry
ISBN:9781259911156
Author:Raymond Chang Dr., Jason Overby Professor
Publisher:McGraw-Hill Education
Principles of Instrumental Analysis
Chemistry
ISBN:9781305577213
Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:Cengage Learning
Organic Chemistry
Chemistry
ISBN:9780078021558
Author:Janice Gorzynski Smith Dr.
Publisher:McGraw-Hill Education
Chemistry: Principles and Reactions
Chemistry
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:Cengage Learning
Elementary Principles of Chemical Processes, Bind...
Chemistry
ISBN:9781118431221
Author:Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:WILEY