
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
Question
![Hydrogen peroxide can decompose to water and oxygen by the following reaction:
\[ 2 \, \text{H}_2\text{O}_2 (l) \rightarrow 2 \, \text{H}_2\text{O}(l) + \text{O}_2 (g) \quad \Delta H = -196 \, \text{kJ} \]
Calculate the value of \( q \) when 5.00 g of \(\text{H}_2\text{O}_2 (l)\) decomposes at constant pressure.
*Use the editor to format your answer*](https://content.bartleby.com/qna-images/question/c8a61746-74b7-4f37-ab58-4dc0f36c224f/a9591ba4-6b3b-4fd9-a62e-22f08e24c8b3/d1tvkql_thumbnail.jpeg)
Transcribed Image Text:Hydrogen peroxide can decompose to water and oxygen by the following reaction:
\[ 2 \, \text{H}_2\text{O}_2 (l) \rightarrow 2 \, \text{H}_2\text{O}(l) + \text{O}_2 (g) \quad \Delta H = -196 \, \text{kJ} \]
Calculate the value of \( q \) when 5.00 g of \(\text{H}_2\text{O}_2 (l)\) decomposes at constant pressure.
*Use the editor to format your answer*
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
- When 130. mL of 0.204 M NaCl(aq) and 130. mL of 0.204 M AgNO3(aq), both at 21.1°C, are mixed in a coffee cup calorimeter, the temperature of the mixture increases to 23.6°C as solid AgCl forms. NaCl(aq) + AgNO3(aq) → AgCl(s) + NaNO3(aq) This precipitation reaction produces 2.71x10³ J of heat, assuming no heat is absorbed by the calorimeter, no heat is exchanged between the calorimeter and its surroundings, and that the specific heat and density of the solutions are the same as those for water (4.18 J/g.°C, and 0.997 g/mL, respectively). Using this data, calculate AH in kJ/mol of AgNO3(aq) for the given reaction. 4.0✔✓ kJ/molarrow_forwardThe Haber process is used to manufacture ammonia from nitrogen and hydrogen in the presence of an iron catalyst. The reaction, shown in this equation, is exothermic: N 2 (g)+3H 2 (g) rightleftharpoons 2N*H_{3}(g) + Heat Which statement correctly describes the chemical reaction? The energy needed to break the chemical bonds of 1 mole of nitrogen and 3 moles of hydrogen is greater than the energy released by the formation of 3 moles of ammonia. The energy needed to break the chemical bonds of 1 mole of nitrogen and 3 moles of hydrogen is less than the energy released by the formation of 3 moles of ammonia. The energy released by breaking the chemical bonds of 1 mole of nitrogen and 3 moles of hydrogen is greater than the energy needed to form 3 moles of ammonia. The energy released by breaking the chemical bonds of 1 mole of nitrogen and 3 moles of hydrogen is less than the energy needed to form 3 moles of ammonia.arrow_forwardConsider the reaction of a mixture of NaHCO3 and Ca(HCO3)2 with excess HCl. The net ionic reaction observed is H+(aq) + HCO3-(aq) → H2O(l) + CO2(g) The data for this problem is for 25 oC 7.701 g of a sample containing a mixture of NaHCO3 and Ca(HCO3)2 is mixed with an excess of HCl to produce CO2 gas. When all of the (dried) gas is collected in a 1.00 L vessel, the total pressure is 1.452 atm. How many g of NaHCO3 were present in the initial sample?arrow_forward
- Could someone please help! No plagiarism Please! 3. Draw an or find an image of an endothermic reaction or an exothermic reaction. Explain what makes it the type of reaction you chose to illustrate. Include arrows to show what direction the overall enthalpy of reaction (energy of reaction) flows. 4. Ammonium nitrate dissolves in water via the following reaction: NH4NO3(s) → NH4+(aq) + NO3-(aq) The bond energies of the compounds in the reaction are as follows: NH4NO3 = 3040 kJ/mol NH4+ = 1564 kJ/mol NO3- = 1009 kJ/mol How much total energy does the reaction have, and how will the environment change when the reaction occurs? Please show all of your workarrow_forwardGive typed full explanation not a single word hand written otherwise leave itarrow_forwardWhich reaction would it be possible to calculate (Triangle H)?arrow_forward
- Aqueous solutions of calcium chloride and sodium hydroxide react to form solid calcium hydroxide. The balanced net ionic equation is: A) Ca+2(aq) + 2OH-(aq) + 2Na+(aq) + 2Cl-(aq) → Ca(OH)2(s) B) Ca+2(aq) + 2OH-(aq) + Na+(aq) + Cl-(aq) → Ca(OH)2(s) C) Ca+2(aq) + 2OH-(aq) → Ca(OH)2(s) D) CaCl2(aq) + 2NaOH(aq) → CaOH(s) + NaCl(aq) E) CaCl2(aq) + 2NaOH(aq) → Ca(OH)2(s) + 2NaCl(aq)arrow_forward50 g of solid sodium hydroxide is dissolved in 175 mL of water. Using a coffee-cup calorimeter, the temperature change of the water is measured to be -2.1°C. Which equation best describes this system? NaOH(s)→NaOH(aq) + kJ NaOH(s)+ kJ →NaOH(aq) NaOH(s)→NaOH(l) + kJ NaOH(aq)→NaOH(s) + kJ NaOH(aq)+ kJ →NaOH(s) NaOH(l)+ kJ → NaOH(s) What is the definition of the temperature of a substance? the speed of the slowest particles in the substance, subtracted from the speed of the fastest particles. the heat capacity of the substance times its mass a measure of the average kinetic energy of a system the total heat content of a substance the speed of the fastest particles in the substance Which statement describes an endothermic reaction? The surroundings warm up. The system releases energy. The potential energy of the products is less…arrow_forwardWhen 3.8 g A are reacted with 8.5 g D, according to the balanced chemical equation below, 33 kJ of energy are released. Please calculate the enthalpy for this reaction when 3 moles of G are produced. 2A + 3D = 2Z + 3G given molar masses: A = 141.8 g/mole D = 63.996 g/ mole Z = 4.032 g/ mole G = 56.028 g/ molearrow_forward
arrow_back_ios
arrow_forward_ios
Recommended textbooks for you
- ChemistryChemistryISBN:9781305957404Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCostePublisher:Cengage LearningChemistryChemistryISBN:9781259911156Author:Raymond Chang Dr., Jason Overby ProfessorPublisher:McGraw-Hill EducationPrinciples 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 EducationChemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage LearningElementary 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