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D. Air pressure is less because the air is moving faster. 41. Pressure is defined as the magnitude of the force acting perpendicular per unit area of the surface. Which of the following statement/s is/are true about pressure? A. If the area is twice as low as the force exerted, than pressure is twice the original pressure. B. Exerting greater force to a fix area increases the pressure. C. Pressure is directly proportional to force D. All of the above 42. Hydrostatic pressure is the force per unit area that a confined liquid exerts on all parts of its container or on any part of the object immersed in it. Which of the following is true about the relationship fluid density and depth? A. Pressure is equal to the product of density, acceleration due to gravity and height. B. The greater the area, the greater the pressure exerted C. Both A and B D. Neither A nor B For Items 43-44, Consider a block of wood that floats with 40 percent of its volume submerged in water. (The volume of the block is 0.5 m'.) 43. What volume of water did the block of wood displace? A. 0.1 m В. 0.2 m C. 0.3 m D. 0.5 m 44. What is the buoyant force of water on the block of wood(BF = pgV)? A. 1960 N В. 2940 N 45. The Zeroth Law of thermodynamics deals with the concept of thermal equilibrium and that there is net flow of heat between two systems in thermal contact that have the same temperature. A. True B. False C. 3920 N D. 4900 N C. Partially True, Partially False D. None of the above 46. Aluminum melts at 660 °C. How much is that in Kelvin? A. 348.89 K C. 660 K D. 1 220 K B. 933.15 K

D. Air pressure is less because the air is moving faster. 41. Pressure is defined as the magnitude of the force acting perpendicular per unit area of the surface. Which of the following statement/s is/are true about pressure? A. If the area is twice as low as the force exerted, than pressure is twice the original pressure. B. Exerting greater force to a fix area increases the pressure. C. Pressure is directly proportional to force D. All of the above 42. Hydrostatic pressure is the force per unit area that a confined liquid exerts on all parts of its container or on any part of the object immersed in it. Which of the following is true about the relationship fluid density and depth? A. Pressure is equal to the product of density, acceleration due to gravity and height. B. The greater the area, the greater the pressure exerted C. Both A and B D. Neither A nor B For Items 43-44, Consider a block of wood that floats with 40 percent of its volume submerged in water. (The volume of the block is 0.5 m'.) 43. What volume of water did the block of wood displace? A. 0.1 m В. 0.2 m C. 0.3 m D. 0.5 m 44. What is the buoyant force of water on the block of wood(BF = pgV)? A. 1960 N В. 2940 N 45. The Zeroth Law of thermodynamics deals with the concept of thermal equilibrium and that there is net flow of heat between two systems in thermal contact that have the same temperature. A. True B. False C. 3920 N D. 4900 N C. Partially True, Partially False D. None of the above 46. Aluminum melts at 660 °C. How much is that in Kelvin? A. 348.89 K C. 660 K D. 1 220 K B. 933.15 K

Principles of Modern Chemistry
Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter9: The Gaseous State
Section: Chapter Questions
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ll TM LTE 2:35 PM cdn.fbsbx.com Done D. Air pressure is less because the air is moving faster. 41. Pressure is defined as the magnitude of the force acting perpendicular per unit area of the surface. Which of the following statement/s is/are true about pressure? A. If the area is twice as low as the force exerted, than pressure is twice the original pressure. B. Exerting greater force to a fix area increases the pressure. C. Pressure is directly proportional to force D. All of the above 42. Hydrostatic pressure is the force per unit area that a confined liquid exerts on all parts of its container or on any part of the object immersed in it. Which of the following density and depth? A. Pressure is cqual to the product of density, acceleration duc to gravity and height. B. The greater the area, the greater the pressure exerted C. Both A and B D. Neither A nor B s true about the relationship fluid For Items 43-44, Consider a block of wood that floats with 40 percent of its volume submerged in water. (The volume of the block is 0.5 m²,) 43. What volume of water did the block of wood displace? A. 0.1 m В. 0.2 m? С. 0.3 m? D. 0.5 m 44. What is the buoyant force of water on the block of wood(BF = pgV)? A. 1960 N В. 2940 N 45. The Zeroth Law of thermodynamics deals with the concept of thermal equilibrium and that there is net flow of heat between two systems in thermal contact that have the same temperature. A. True В. False С. 3920 N D. 4900 N C. Partially True, Partially False D. None of the above 46. Aluminum melts at 660 °C. How much is that in Kelvin? A. 348.89 K 933.15 K С. 660 K D. 1 220 K. В. 47. Which is true about coefficient of volume expansion? A. It is the same in value as the coefficient of thermal expansion B. It is twice the value as the coefficient of thermal expansion C. It is thrice the value as the coefficient of thermal expansion D. Cannot be determined is heated to 35 °C? The 48. A copper bar is 80 cm long at 15 °C. What is the increase in length when linear expansion coefficient for copper is 1.7 x 105 °C'!. A. 2.5x10-4 m В. 2.6х10-4 т C. 2.7x10-4 m D. 2.8x10-4 m 49. A 250 mL Pyrex glass container is fully filled with gasoline at 50°C. How much gasoline is needed to fill the container again if it is cooled at 35 °C ( aclass (Pyrex) = 30x10, Bcasoline = 950x10-6/°c) A. 3.00 ml В. 3.53 ml С. 5.33 ml D. 5.00 ml 50. An aluminum-measuring rod, which is correct at 5.0 °C, measures a certain distance as 88.42 cm at 35° C. Determine the error linear expansion of that sample of aluminum is 22 x 10-6 °C- A. 0.058 cm B. 0.085 cm measuring the distance due to the expansion of the rod. The coefficient of С. 3.00 ст D. 3.53 cm
Transcribed Image Text:ll TM LTE 2:35 PM cdn.fbsbx.com Done D. Air pressure is less because the air is moving faster. 41. Pressure is defined as the magnitude of the force acting perpendicular per unit area of the surface. Which of the following statement/s is/are true about pressure? A. If the area is twice as low as the force exerted, than pressure is twice the original pressure. B. Exerting greater force to a fix area increases the pressure. C. Pressure is directly proportional to force D. All of the above 42. Hydrostatic pressure is the force per unit area that a confined liquid exerts on all parts of its container or on any part of the object immersed in it. Which of the following density and depth? A. Pressure is cqual to the product of density, acceleration duc to gravity and height. B. The greater the area, the greater the pressure exerted C. Both A and B D. Neither A nor B s true about the relationship fluid For Items 43-44, Consider a block of wood that floats with 40 percent of its volume submerged in water. (The volume of the block is 0.5 m²,) 43. What volume of water did the block of wood displace? A. 0.1 m В. 0.2 m? С. 0.3 m? D. 0.5 m 44. What is the buoyant force of water on the block of wood(BF = pgV)? A. 1960 N В. 2940 N 45. The Zeroth Law of thermodynamics deals with the concept of thermal equilibrium and that there is net flow of heat between two systems in thermal contact that have the same temperature. A. True В. False С. 3920 N D. 4900 N C. Partially True, Partially False D. None of the above 46. Aluminum melts at 660 °C. How much is that in Kelvin? A. 348.89 K 933.15 K С. 660 K D. 1 220 K. В. 47. Which is true about coefficient of volume expansion? A. It is the same in value as the coefficient of thermal expansion B. It is twice the value as the coefficient of thermal expansion C. It is thrice the value as the coefficient of thermal expansion D. Cannot be determined is heated to 35 °C? The 48. A copper bar is 80 cm long at 15 °C. What is the increase in length when linear expansion coefficient for copper is 1.7 x 105 °C'!. A. 2.5x10-4 m В. 2.6х10-4 т C. 2.7x10-4 m D. 2.8x10-4 m 49. A 250 mL Pyrex glass container is fully filled with gasoline at 50°C. How much gasoline is needed to fill the container again if it is cooled at 35 °C ( aclass (Pyrex) = 30x10, Bcasoline = 950x10-6/°c) A. 3.00 ml В. 3.53 ml С. 5.33 ml D. 5.00 ml 50. An aluminum-measuring rod, which is correct at 5.0 °C, measures a certain distance as 88.42 cm at 35° C. Determine the error linear expansion of that sample of aluminum is 22 x 10-6 °C- A. 0.058 cm B. 0.085 cm measuring the distance due to the expansion of the rod. The coefficient of С. 3.00 ст D. 3.53 cm
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