Homework Help is Here – Start Your Trial Now!
Science
Chemistry
80. Base your answer to the following question on the following system at equilibrium: 2 dz(g) + 2 H20(g) → 4 HCI(g) + Oz(g) AH= +27 kcal If the temperature of the system is increased at a constant pressure, the rate of the forward reaction will A) decrease B) increase C) remain the same

80. Base your answer to the following question on the following system at equilibrium: 2 dz(g) + 2 H20(g) → 4 HCI(g) + Oz(g) AH= +27 kcal If the temperature of the system is increased at a constant pressure, the rate of the forward reaction will A) decrease B) increase C) remain the same

Introductory Chemistry: A Foundation
Introductory Chemistry: A Foundation
9th Edition
ISBN:9781337399425
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Donald J. DeCoste
Chapter13: Gases
Section: Chapter Questions
Problem 140AP: he following demonstration takes place in a two-step process: rst, solid calcium carbide...
See similar textbooks
icon
Related questions
Question

HELP PLEASE if someone or anyone could help on any of these questions you will literally be my life saver. 

zoom in 85 80 80. Base your answer to the following question on the following system at equilibrium: 85. What would the correct equaton for determining percent error be in a theoretical experiment where the experimental value is determined as 36 J and the accepted value is 38.5 J? 2 az(g) + 2 H2O(g) + 4 HCI(g) + Oz(g) A) 36 – 38.5 (100%) All = +27 kcal If the temperature of the system is increased at a constant pressure, the rate of the forward reaction will 38.5 B) 36 - 38.5| (100%) C) 36 36 36 (100%) A) decrease B) increase 38.5 C) remain the same D) 38.5 (100%) 36 81 81. An atomic mass unit is defined as exactly E) none of the above A) t the mass of a 160 atom B) the mass of a hydrogen atom C) the mass of a 12C atom D) 5 the mass of a 19F atom E) i the mass of a 14N atom 86 36. Consider the diagram for a pure substance. 40 20 82 82. What is "X" in the equation: -20 21083Bİ 0-1e + "X" Heating Time A) 20983Bİ C) 21082PD E) 21183BI B) 21094PO D) 20982PD 83 83. Classify the nuclear reaction. 23191 Pa → 227 g9Pb +42HE The graph represents a solid at -40°C being heated uniformly until it changes into a gas. The melting point of the solid is A) -20°C C) 37°C E) 0°C B) 10°C D) 50°C A) electron capture B) alpha decay C) beta decay D) positron emission E) gamma emission 87 87. The total positive and negative charges in the formula of an ionic compound add up to 84 84. Why does increased concentration increase reaction rate? A) Increased average kinetic energy B) Increased energy of reactants C) Increased number of collisions D) Increased energy for effective collisions A) one B) zero C) any whole number D) the number of elements in the compound E) any positive number E) Increased activation energy Temperature, °C
Transcribed Image Text:zoom in 85 80 80. Base your answer to the following question on the following system at equilibrium: 85. What would the correct equaton for determining percent error be in a theoretical experiment where the experimental value is determined as 36 J and the accepted value is 38.5 J? 2 az(g) + 2 H2O(g) + 4 HCI(g) + Oz(g) A) 36 – 38.5 (100%) All = +27 kcal If the temperature of the system is increased at a constant pressure, the rate of the forward reaction will 38.5 B) 36 - 38.5| (100%) C) 36 36 36 (100%) A) decrease B) increase 38.5 C) remain the same D) 38.5 (100%) 36 81 81. An atomic mass unit is defined as exactly E) none of the above A) t the mass of a 160 atom B) the mass of a hydrogen atom C) the mass of a 12C atom D) 5 the mass of a 19F atom E) i the mass of a 14N atom 86 36. Consider the diagram for a pure substance. 40 20 82 82. What is "X" in the equation: -20 21083Bİ 0-1e + "X" Heating Time A) 20983Bİ C) 21082PD E) 21183BI B) 21094PO D) 20982PD 83 83. Classify the nuclear reaction. 23191 Pa → 227 g9Pb +42HE The graph represents a solid at -40°C being heated uniformly until it changes into a gas. The melting point of the solid is A) -20°C C) 37°C E) 0°C B) 10°C D) 50°C A) electron capture B) alpha decay C) beta decay D) positron emission E) gamma emission 87 87. The total positive and negative charges in the formula of an ionic compound add up to 84 84. Why does increased concentration increase reaction rate? A) Increased average kinetic energy B) Increased energy of reactants C) Increased number of collisions D) Increased energy for effective collisions A) one B) zero C) any whole number D) the number of elements in the compound E) any positive number E) Increased activation energy Temperature, °C
zoom in 88 88. Heat of Vaporization of Ethanol, CH3CH2 90 90. Which statement is true? OH = 880. J«g¬. A) A decrease in pressure of a gas causes an decrease in volume. How many Joules are needed to vaporize 2.00 g of liquid ethanol, CH3CH2OH, at its boiling point, 78°C? B) The partial pressure of a gas is dependent on its mass. C) In a mixture of gases, the gas with the most molecules exerts the most B) 3360 J D) 557 J A) 673 J C) 880 J E) 1760 J 89 89. A 320. mL sample of a dry gas is pressure. D) An increase in the pressure of a gas could be caused by decreasing the number of molecules. collected at 47°C and 740 mm Hg. What is its volume at 7°C and 560 mm Hg? E) Absolute zero is -273 K. A) 277 mL C) 483 ml E) 320 mL B) 370 ml D) 212 mL
Transcribed Image Text:zoom in 88 88. Heat of Vaporization of Ethanol, CH3CH2 90 90. Which statement is true? OH = 880. J«g¬. A) A decrease in pressure of a gas causes an decrease in volume. How many Joules are needed to vaporize 2.00 g of liquid ethanol, CH3CH2OH, at its boiling point, 78°C? B) The partial pressure of a gas is dependent on its mass. C) In a mixture of gases, the gas with the most molecules exerts the most B) 3360 J D) 557 J A) 673 J C) 880 J E) 1760 J 89 89. A 320. mL sample of a dry gas is pressure. D) An increase in the pressure of a gas could be caused by decreasing the number of molecules. collected at 47°C and 740 mm Hg. What is its volume at 7°C and 560 mm Hg? E) Absolute zero is -273 K. A) 277 mL C) 483 ml E) 320 mL B) 370 ml D) 212 mL
Expert Solution
steps

Step by step

Solved in 3 steps

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Knowledge Booster
Micelles and Biological Membranes
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.
Similar questions
Recommended textbooks for you
Introductory Chemistry: A Foundation
Introductory Chemistry: A Foundation
Chemistry
ISBN:
9781337399425
Author:
Steven S. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry
Chemistry
Chemistry
ISBN:
9781133611097
Author:
Steven S. Zumdahl
Publisher:
Cengage Learning
Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
Chemistry
ISBN:
9781305079373
Author:
William L. Masterton, Cecile N. Hurley
Publisher:
Cengage Learning
Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
Chemistry
ISBN:
9781133949640
Author:
John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:
Cengage Learning
Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
Chemistry
ISBN:
9781337399074
Author:
John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:
Cengage Learning
General Chemistry - Standalone book (MindTap Cour…
General Chemistry - Standalone book (MindTap Cour…
Chemistry
ISBN:
9781305580343
Author:
Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:
Cengage Learning
SEE MORE TEXTBOOKS