Name: SOLUTIONS Physics 240, Exam #1 Sept. 24 2015 (4:15
... Then the same temperature increase of 20.0 C° would require only 1250 J of energy, because no work would be done by the helium. If the surrounding water has nowhere to expand (like ice example above, or very rigid, closed container) then its pressure must increase as the bubble tries to push the liq ...
... Then the same temperature increase of 20.0 C° would require only 1250 J of energy, because no work would be done by the helium. If the surrounding water has nowhere to expand (like ice example above, or very rigid, closed container) then its pressure must increase as the bubble tries to push the liq ...
Lecture 21 (6.1)
... constant (energy can’t be created or destroyed, it can only be converted from one form to another) ∆Euniv = ∆Esys + ∆Esurr = 0 • An isolated system can be viewed as a “small universe” (q = 0 and w = 0) ∆E = q + w = 0 ⇒ E = constant • 1st Law – The internal energy of an isolated system is constant (e ...
... constant (energy can’t be created or destroyed, it can only be converted from one form to another) ∆Euniv = ∆Esys + ∆Esurr = 0 • An isolated system can be viewed as a “small universe” (q = 0 and w = 0) ∆E = q + w = 0 ⇒ E = constant • 1st Law – The internal energy of an isolated system is constant (e ...
Notes: Phases of Matter
... into energy and energy into matter. They are different forms of each other. A-Matter is anything that has mass and takes up space. B- All matter is made up of groups of atoms called molecules. ...
... into energy and energy into matter. They are different forms of each other. A-Matter is anything that has mass and takes up space. B- All matter is made up of groups of atoms called molecules. ...
Name Section
... molecules inside the fixed volume of a can. a) What happens to the internal energy and the motion of the water molecules in the can as the water is heated into steam? As their temperature increases, the water molecules have more internal energy. As the water molecules change phase from liquid to ste ...
... molecules inside the fixed volume of a can. a) What happens to the internal energy and the motion of the water molecules in the can as the water is heated into steam? As their temperature increases, the water molecules have more internal energy. As the water molecules change phase from liquid to ste ...
Lecture 1
... (UTC) = time scale all weather observations are reported in…represents local time on Prime Meridian – Ranges from 0-24 hrs – Eastern Time Zone is 5 hrs behind UTC, 4 hours behind during Daylight Savings Time E.g. 12Z = 7:00am EST or 8:00 am EDT ...
... (UTC) = time scale all weather observations are reported in…represents local time on Prime Meridian – Ranges from 0-24 hrs – Eastern Time Zone is 5 hrs behind UTC, 4 hours behind during Daylight Savings Time E.g. 12Z = 7:00am EST or 8:00 am EDT ...
Physics 2048 Lab 7
... Introduction: In this lab you will study the rotational motion and moment of inertia of a rotating disk using the concept of conservation of energy. You will determine the moment of inertia of the disk by applying an angular acceleration Theory: In the case of linear motion, an unbalanced force F ac ...
... Introduction: In this lab you will study the rotational motion and moment of inertia of a rotating disk using the concept of conservation of energy. You will determine the moment of inertia of the disk by applying an angular acceleration Theory: In the case of linear motion, an unbalanced force F ac ...
Convective heat transfer
... vibrations and collisions of molecules, of propagation and collisions of phonons, and of diffusion and collisions of free electrons. In gases and liquids, conduction is due to the collisions and diffusion of molecules during their random motion. Photons in this context do not collide with one anothe ...
... vibrations and collisions of molecules, of propagation and collisions of phonons, and of diffusion and collisions of free electrons. In gases and liquids, conduction is due to the collisions and diffusion of molecules during their random motion. Photons in this context do not collide with one anothe ...
Mechanical Engineering
... other. Net energy transfer will be from the hotter body to the colder body. At some point, the net energy transfer will be zero, and the bodies are said to be in thermal equilibrium. Bodies in thermal equilibrium are defined to have the same temperature. A process during which temperature remains co ...
... other. Net energy transfer will be from the hotter body to the colder body. At some point, the net energy transfer will be zero, and the bodies are said to be in thermal equilibrium. Bodies in thermal equilibrium are defined to have the same temperature. A process during which temperature remains co ...
1-37 The First Law of Thermodynamics
... Experimentally, we find that the energy becomes part of the internal energy of the system. The internal energy of the system increases by an amount that is equal to the work done on the system. This increase in the internal energy can be an increase in the internal potential energy, an increase in t ...
... Experimentally, we find that the energy becomes part of the internal energy of the system. The internal energy of the system increases by an amount that is equal to the work done on the system. This increase in the internal energy can be an increase in the internal potential energy, an increase in t ...
Work, Energy and Momentum Notes
... When the weather gets cold, the air we breathe in is heated when it comes in contact with warm lung tissue. The energy to heat the air comes from our body. The inhaled air warms to nearly the temperature of the interior of a human body 37 oC. When humans exhale, some heat is retained by the body, bu ...
... When the weather gets cold, the air we breathe in is heated when it comes in contact with warm lung tissue. The energy to heat the air comes from our body. The inhaled air warms to nearly the temperature of the interior of a human body 37 oC. When humans exhale, some heat is retained by the body, bu ...
Problem Set 8
... (Work done by F ) = |F ||∆r| cos θ = F · ∆r. If F or the direction of travel varies, we must break up path into tiny steps and add up all the little works to get the total work. For one-dimensional motion, this implies that work is the area under a graph of force vs. position. Work-energy rela ...
... (Work done by F ) = |F ||∆r| cos θ = F · ∆r. If F or the direction of travel varies, we must break up path into tiny steps and add up all the little works to get the total work. For one-dimensional motion, this implies that work is the area under a graph of force vs. position. Work-energy rela ...
Chapter 15: Thermal Properties of Matter
... above which material does not separate into two phases. It goes smoothly without a phase transition. ...
... above which material does not separate into two phases. It goes smoothly without a phase transition. ...
c - Iust personal webpages
... Use standard enthalpies of formation from Table 6.2 to calculate the standard enthalpy change for this reaction. Example: The combustion of isopropyl alcohol, common rubbing alcohol, is represented by the equation 2 (CH3)2CHOH(l) + 9 O2(g) 6 CO2(g) + 8 H2O(l) ΔH° = –4011 kJ Use this equation and d ...
... Use standard enthalpies of formation from Table 6.2 to calculate the standard enthalpy change for this reaction. Example: The combustion of isopropyl alcohol, common rubbing alcohol, is represented by the equation 2 (CH3)2CHOH(l) + 9 O2(g) 6 CO2(g) + 8 H2O(l) ΔH° = –4011 kJ Use this equation and d ...
Thermodynamic temperature
... rial; two that it refers to an absolute zero according to the below shows translational motion in gases; Figure 4 below shows translational motion in solids. Thermodynamic properties of the ideal gas. temperature’s null point, absolute zero, is the temperature The International System of Units speci ...
... rial; two that it refers to an absolute zero according to the below shows translational motion in gases; Figure 4 below shows translational motion in solids. Thermodynamic properties of the ideal gas. temperature’s null point, absolute zero, is the temperature The International System of Units speci ...