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Chapter 9/ Jakesyrs
Thermodynamics
| Question | Answer |
|---|---|
| Heat flows from what to what? | Hot to Cold |
| According to what, adoms, molecules, and their subatomic particles are in constant motion? | Kinetic-Molecular Model |
| Potential Energy plus Kinetic Energy equals what? | Total Internal Energy |
| Internal Energy is affected by changes in what? | Pressure,Volume, and Thermal Energy |
| What is the sum of kinetic energy? | Thermal Energy |
| You can measure the change in thermal by measuring the change of what in a system? | Temperature |
| Are molecules moving faster in boiling water in a hot pan or an ice cube? | A hot pan |
| When you gain kinetic energy you increase in what? | Thermal energy |
| Tranferring particle kinetic energy is called what? | Heating or cooling |
| A loss of thermal energy is usually accompanied by what? | Lower Temperatures |
| A gain in thermal energy is usually accompanied by what? | Higher Temperatures |
| The temperature of an object is directly related to what? | The average Kinetic energy of its atoms. |
| Temperature is measured in what, using what? | Degrees; thermometer |
| Most thermometers measure through what? | Direct Contact |
| If the substance being measured is cooler than the thermometer than the energy is transferred where? | Out of the object being measured. |
| Heat flows from what to what? | Hot to Cold |
| According to what, adoms, molecules, and their subatomic particles are in constant motion? | Kinetic-Molecular Model |
| If there ever a negative Kelvin? | No |
| Potential Energy plus Kinetic Energy equals what? | Total Internal Energy |
| What is the freezing point of water using all 3 systems? | F-32 degrees, C-0 degrees, K-273 |
| Internal Energy is affected by changes in what? | Pressure,Volume, and Thermal Energy |
| What is the sum of kinetic energy? | Thermal Energy |
| Fahrenheit to Celsius | 5/9(Fahrenheit-32) |
| You can measure the change in thermal by measuring the change of what in a system? | Temperature |
| Are molecules moving faster in boiling water in a hot pan or an ice cube? | A hot pan |
| When you gain kinetic energy you increase in what? | Thermal energy |
| Tranferring particle kinetic energy is called what? | Heating or cooling |
| A loss of thermal energy is usually accompanied by what? | Lower Temperatures |
| A gain in thermal energy is usually accompanied by what? | Higher Temperatures |
| The temperature of an object is directly related to what? | The average Kinetic energy of its atoms. |
| The quantity of thermal energy that flows from one place to another | Heat |
| Temperature is measured in what, using what? | Degrees; thermometer |
| Most thermometers measure through what? | Direct Contact |
| If the substance being measured is cooler than the thermometer than the energy is transferred where? | Out of the object being measured. |
| What is scale is used by the US to measure temperature? | Fahrenheit |
| What two points where used to measure temperature? | The freezing point of a mixture of salt, water, and ice and the temperature of the blood of a heathly man. |
| If there ever a negative Kelvin? | No |
| What is the freezing point of water using all 3 systems? | F-32 degrees, C-0 degrees, K-273 |
| Celsius to Fahrenheit | 9/5*celsius+32 |
| Fahrenheit to Celsius | 5/9(Fahrenheit-32) |
| What are the properties effected by temperature changes? | Thermal Expansion, Electrical Resistance, Viscosity |
| What happens on the particle level? | Thermal Expansion |
| What increases with increasing temperature? This is a way to measure how well electricity is conducted. | Electrical Resistance |
| What is the measure of the ressistance of liquids to flow? | Viscosity |
| The quantity of thermal energy that flows from one place to another | Heat |
| When two objects of different temperatures touch thermal energy moves from the hotter object to the cooler one. What is this called? | Conduction |
| When all the particles are moving at the same speed. | Thermal Equilibrium |
| Chief process by which thermal energy moves through solids. | Conduction |
| Thermal energy carried from one location to another by a fluid. | Convection |
| Gases and liquids are what? | Fluids |
| What is responsible for many of the winds near the earth surface? | Atmospheric convection |
| Thermal energy that radiates from the source outward. | Radiation |
| The higher the temperature of the substance the more what is emitted? | Electromagnetic Energy |
| What does not use matter to move between systems? | Radiate energy |
| These resist the flow of thermal energy | Thermal Insulators |
| The measure of the relationship between the amount of thermal energy absorbed and the temperature change caused by this. | Heat Capacity |
| The amount of energy an object must gain to cause a change of 1 degree Celsius. | Heat Capacity |
| The heat capacity per gram of material | Specific Heat |
| The unit for specific heat | J/g degree C |
| What is the phase change as a substance changes from a liquid to a solid? | Freezing |
| What is the phase change as a substance changes from a solid to a liquid? | Melting |
| What is the phase change as a substance changes from a gas to a liquid? | Condensation |
| What is the phase change as a substances changes from a liquid to a gas? | Vaporization |
| What is the phase change as a substance changes from a solid to a gas without passing through the intermediate state of a liquid? | Sublimation |
| What is the phase change as a substance changes from a gas to a solid without passing through the imtermediate state of a a liquid? | Deposition |
| What is the temperature and pressure at which a solid, liquid and gas phases exist simultaneously? | Triple Point |
| What is the temperate above which a substance will always be a gas regardless of the pressure? | Critical Point |
| What is the temperature ar which solid and liquid phases are in equilibrium at atmospheric pressure? | Freezing Point |
| What is the temperature at which the vapor pressure of a liquid is equal to the pressure on the liquid? | Boiling point |
Created by:
jakesyrs
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