The mass of a hot-air balloon and its cargo (not including the air inside)is 150 kg.The air outside is at a temperature of 10°C and a pressure of 1 atm = 105 N/m2.The volume of the balloon is 600 m3.Which temperature below of the air in the balloon will allow the balloon to just lift off? (Air density at 10°C is 1.25 kg/m3. )

A) 3°C B) 62°C C) 354°C D) 71°C E) 318°C A) 3°C B) 62°C C) 354°C D) 71°C E) 318°C

Exam 10: Thermal Physics

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The temperature of a quantity of ideal gas in a sealed container is increased from 0°C to 273°C.What happens to the rms speed of the molecules of the gas as a result of this temperature increase?

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A temperature of 184 K equals which of the following?

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Two moles of nitrogen gas are contained in an enclosed cylinder with a movable piston.If the molecular mass of nitrogen is 28,how many grams of nitrogen are present?

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51°F is how many degrees Celsius?

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Question 4

The internal energy of a monatomic ideal gas is equal to which of the following?

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Question 5

The ideal gas law treats gas as consisting of:

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Question 6

The zeroth law of thermodynamics pertains to what relational condition that may exist between two systems?

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Question 7

Normal body temperature for humans is 37°C.What is this temperature in kelvins?

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Question 8

What happens to its moment of inertia when a steel disk is heated?

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Question 9

A steel plate has a hole drilled through it.The plate is put into a furnace and heated.What happens to the size of the inside diameter of a hole as its temperature increases?

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Question 10

Tricia puts 47 g of dry ice (solid CO₂)into a 4-L container and seals the top.The dry ice turns to gas at room temperature (20°C).Find the pressure increase in the 4-L container.(One mole of CO₂ has a mass of 47 g,R = 0.082 1 L⋅atm/mol⋅K.Ignore the initial volume of the dry ice. )

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Question 11

Two moles of an ideal gas at 4 atm and 15°C are heated up to 170 °C.If the volume is held constant during this heating,what is the final pressure?

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Question 12

With molar quantity and temperature held constant,by what factor does the pressure of an ideal gas change when the volume is five times bigger?

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Question 13

For an ideal gas of a given mass,if the pressure remains the same and the volume increases:

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Question 14

A spherical air bubble originating from a scuba diver at a depth of 15 m has a diameter of 0.8 cm.What will the bubble's diameter be when it reaches the surface? (Assume constant temperature. )

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Question 15

An automobile gas tank is filled to its capacity of 19 gallons with the gasoline at an initial temperature of 14°C.The automobile is parked in the sun causing the gasoline's temperature to rise to 56°C.If the coefficient of volume expansion for gasoline is 9.6 × 10−⁴/C°,what volume runs out the overflow tube? Assume the change in volume of the tank is negligible.

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Question 16

The mass of a hot-air balloon and its cargo (not including the air inside)is 150 kg.The air outside is at a temperature of 10°C and a pressure of 1 atm = 10⁵ N/m².The volume of the balloon is 600 m³.Which temperature below of the air in the balloon will allow the balloon to just lift off? (Air density at 10°C is 1.25 kg/m³. )

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Question 17

How many atoms are present in a sample of pure iron with a mass of 260 g? (The atomic mass of iron = 56 and N_A = 6.02 × 10²³)

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Question 18

At room temperature,the coefficient of linear expansion for Pyrex glass is ____ that for ordinary glass.

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Question 19

One mole of an ideal gas at 1.00 atm and 0.00°C occupies 22.4 L.How many molecules of an ideal gas are in four cm³ under these conditions?

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Question 20

Showing 1 - 20 of 82

Exam 10: Thermal Physics

The temperature of a quantity of ideal gas in a sealed container is increased from 0°C to 273°C.What happens to the rms speed of the molecules of the gas as a result of this temperature increase?

A temperature of 184 K equals which of the following?

Two moles of nitrogen gas are contained in an enclosed cylinder with a movable piston.If the molecular mass of nitrogen is 28,how many grams of nitrogen are present?

51°F is how many degrees Celsius?

The internal energy of a monatomic ideal gas is equal to which of the following?

The ideal gas law treats gas as consisting of:

The zeroth law of thermodynamics pertains to what relational condition that may exist between two systems?

Normal body temperature for humans is 37°C.What is this temperature in kelvins?

What happens to its moment of inertia when a steel disk is heated?

A steel plate has a hole drilled through it.The plate is put into a furnace and heated.What happens to the size of the inside diameter of a hole as its temperature increases?

Tricia puts 47 g of dry ice (solid CO2)into a 4-L container and seals the top.The dry ice turns to gas at room temperature (20°C).Find the pressure increase in the 4-L container.(One mole of CO2 has a mass of 47 g,R = 0.082 1 L⋅atm/mol⋅K.Ignore the initial volume of the dry ice. )

Two moles of an ideal gas at 4 atm and 15°C are heated up to 170 °C.If the volume is held constant during this heating,what is the final pressure?

With molar quantity and temperature held constant,by what factor does the pressure of an ideal gas change when the volume is five times bigger?

For an ideal gas of a given mass,if the pressure remains the same and the volume increases:

A spherical air bubble originating from a scuba diver at a depth of 15 m has a diameter of 0.8 cm.What will the bubble's diameter be when it reaches the surface? (Assume constant temperature. )

How many atoms are present in a sample of pure iron with a mass of 260 g? (The atomic mass of iron = 56 and NA = 6.02 × 1023)

At room temperature,the coefficient of linear expansion for Pyrex glass is ____ that for ordinary glass.

One mole of an ideal gas at 1.00 atm and 0.00°C occupies 22.4 L.How many molecules of an ideal gas are in four cm3 under these conditions?

Introduction

Introduction: Part A

Motion in One Dimension

Motion in One Dimension: Part A

Vectors and Two-Dimensional Motion

Vectors and Two-Dimensional Motion: Part A

The Laws of Motion

The Laws of Motion: Part A

Energy

Energy: Part A

Momentum and Collisions

Momentum and Collisions: Part A

Rotational Motion and the Law of Gravity

Rotational Motion and the Law of Gravity: Part A

Rotational Equilibrium and Rotational Dynamics

Rotational Equilibrium and Rotational Dynamics: Part A

Solids and Fluids

Solids and Fluids: Part A

Thermal Physics: Part A

Energy in Thermal Processes Heat and Internal Energy

Energy in Thermal Processes Heat and Internal Energy: Part A

The Laws of Thermodynamics Work in Thermodynamic Processes

The Laws of Thermodynamics Work in Thermodynamic Processes: Part A

Vibrations and Waves

Vibrations and Waves: Part A

Sound

Sound: Part A

Electric Forces and Electric Fields

Electric Forces and Electric Fields: Part A

Electrical Energy and Capacitance

Electrical Energy and Capacitance: Part A

Current and Resistance Electric Current

Current and Resistance Electric Current: Part A

Direct-Current Circuits Sources of EMF

Direct-Current Circuits Sources of EMF: Part A

Magnetism Magnets

Magnetism Magnets: Part A

Induced Voltages and Inductance

Induced Voltages and Inductance: Part A

Alternating-Current Circuits and Electromagnetic Waves

Alternating-Current Circuits and Electromagnetic Waves: Part A

Reflection and Refraction of Light

Reflection and Refraction of Light: Part A

Mirrors and Lenses

Mirrors and Lenses: Part A

Wave Optics

Wave Optics: Part A

Optical Instruments

Optical Instruments: Part A

Relativity

Relativity: Part A

Quantum Physics Blackbody Radiation and Plancks Hypothesis

Quantum Physics Blackbody Radiation and Plancks Hypothesis: Part A

Atomic Physics

Atomic Physics: Part A

Nuclear Physics

Nuclear Physics: Part A

Nuclear Energy and Elementary Particles

Nuclear Energy and Elementary Particles: Part A

Particle Collisions, Mediating Photons, and Quark Structures: Exploring the Fundamentals of Physics

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Tricia puts 47 g of dry ice (solid CO₂)into a 4-L container and seals the top.The dry ice turns to gas at room temperature (20°C).Find the pressure increase in the 4-L container.(One mole of CO₂ has a mass of 47 g,R = 0.082 1 L⋅atm/mol⋅K.Ignore the initial volume of the dry ice. )

How many atoms are present in a sample of pure iron with a mass of 260 g? (The atomic mass of iron = 56 and N_A = 6.02 × 10²³)

One mole of an ideal gas at 1.00 atm and 0.00°C occupies 22.4 L.How many molecules of an ideal gas are in four cm³ under these conditions?