physical chemistry lecture 3
... •Some examples include energy (and many other thermodynamic terms), pressure, volume, altitude, distance, etc. • An energy change in a system can occur by many different combinations of heat (q) and work (w), but no matter what the combination, ΔU is always the same — the amount of the energy change ...
... •Some examples include energy (and many other thermodynamic terms), pressure, volume, altitude, distance, etc. • An energy change in a system can occur by many different combinations of heat (q) and work (w), but no matter what the combination, ΔU is always the same — the amount of the energy change ...
Energy Lab - tothally Physics
... How does the skater’s kinetic energy change as he moves down the ramp? _________________________________________ How does the skater’s kinetic energy change as he moves up the ramp? ___________________________________________ How does the skater’s potential energy change as he moves down the ramp? _ ...
... How does the skater’s kinetic energy change as he moves down the ramp? _________________________________________ How does the skater’s kinetic energy change as he moves up the ramp? ___________________________________________ How does the skater’s potential energy change as he moves down the ramp? _ ...
Energy & Work
... Laws of thermodynamics • laws of the movement of heat?...why heat? • Push your book of the desk! – 1) Positional energy to simple kinetic energy – 2) positional energy also converted to heat due to friction – 3) book hits ground, the kinetic energy is converted to heat energy in the book and the gr ...
... Laws of thermodynamics • laws of the movement of heat?...why heat? • Push your book of the desk! – 1) Positional energy to simple kinetic energy – 2) positional energy also converted to heat due to friction – 3) book hits ground, the kinetic energy is converted to heat energy in the book and the gr ...
Basic Thermodynamics - CERN Accelerator School
... Thermodynamics provides macroscopic descriptions of the states of complex systems and of their behaviours when they interact or are constrained under various circumstances. A thermodynamic system is a precisely specified macroscopic region of the Universe. It is limited by boundaries of a particular ...
... Thermodynamics provides macroscopic descriptions of the states of complex systems and of their behaviours when they interact or are constrained under various circumstances. A thermodynamic system is a precisely specified macroscopic region of the Universe. It is limited by boundaries of a particular ...
Physics principles
... 3.The area under the curve of a velocity-time graph is the displacement. The area under the curve of an acceleration-time graph is the velocity. 4.Free fall problems can be solved like other acceleration problems by substituting 'a' for 'g'= 9.8 m/s 2 . The sign of 'g' is (+)or (-)depending on wheth ...
... 3.The area under the curve of a velocity-time graph is the displacement. The area under the curve of an acceleration-time graph is the velocity. 4.Free fall problems can be solved like other acceleration problems by substituting 'a' for 'g'= 9.8 m/s 2 . The sign of 'g' is (+)or (-)depending on wheth ...
File
... kinetic (movement) thermal (heat) solar / light electrical (movement of electrons) potential (energy stored in readiness) ...
... kinetic (movement) thermal (heat) solar / light electrical (movement of electrons) potential (energy stored in readiness) ...
Exercise 1
... _________________________________________________________________ Solar cell: Converts light energy into electrical energy. _________________________________________________________________ Motor: Converts electrical energy into mechanical energy. ____________________________________________________ ...
... _________________________________________________________________ Solar cell: Converts light energy into electrical energy. _________________________________________________________________ Motor: Converts electrical energy into mechanical energy. ____________________________________________________ ...
Chapter 8
... magnitude mg, where m is the mass of the flake, so this reduces to W = mgh, where h is the height from which the flake falls. This is equal to the radius r of the bowl. Thus W mgr (2.00 103 kg) (9.8 m s2 ) (22.0 102 m) 4.31 103 J. (b) The force of gravity is conservative, so the chang ...
... magnitude mg, where m is the mass of the flake, so this reduces to W = mgh, where h is the height from which the flake falls. This is equal to the radius r of the bowl. Thus W mgr (2.00 103 kg) (9.8 m s2 ) (22.0 102 m) 4.31 103 J. (b) The force of gravity is conservative, so the chang ...
Printable Outline Notes on Energy
... Note: Only Change in Potential Energy is Meaningful! You can NOT talk about potential energy at a Point in Space unless you have specified your Zero Potential Energy ...
... Note: Only Change in Potential Energy is Meaningful! You can NOT talk about potential energy at a Point in Space unless you have specified your Zero Potential Energy ...
Energy - School helper
... Energy? • States that energy is never created or destroyed, just like the Law of Conservation of Matter (matter is never ...
... Energy? • States that energy is never created or destroyed, just like the Law of Conservation of Matter (matter is never ...
Electrical Potential Presentation
... a ball is repelled from the top of a hill In physics-speak, +q is forced towards a lower potential energy (U) or the charge wants ∆U to be negative Finally, to relate this to the electrical potential (V), U = qV, so a positive test charge +q will move towards lower V (in other words it wants ∆V to ...
... a ball is repelled from the top of a hill In physics-speak, +q is forced towards a lower potential energy (U) or the charge wants ∆U to be negative Finally, to relate this to the electrical potential (V), U = qV, so a positive test charge +q will move towards lower V (in other words it wants ∆V to ...
Lecture 2: Thermodynamics and Statistical Mechanics
... lost through dissipation): G = H – TS G … the energy that remains in the system after the energy losses due to dissipation are accounted for ➔ Gibbs energy change during a process occurring at constant T: G = H – T S For a process that occurs spontaneously, G < 0, that is the final state ...
... lost through dissipation): G = H – TS G … the energy that remains in the system after the energy losses due to dissipation are accounted for ➔ Gibbs energy change during a process occurring at constant T: G = H – T S For a process that occurs spontaneously, G < 0, that is the final state ...
Work and Energy
... MC The units of work are (a) N m, (b) kg m 2 s 2 , (c) J, (d) all of the preceding. MC For a particular force and displacement, the most work is done when the angle between them is (a) 30°, (b) 60°, (c) 90°, (d) 180°. MC A pitcher throws a fastball. When the catcher catches it, (a) positive work ...
... MC The units of work are (a) N m, (b) kg m 2 s 2 , (c) J, (d) all of the preceding. MC For a particular force and displacement, the most work is done when the angle between them is (a) 30°, (b) 60°, (c) 90°, (d) 180°. MC A pitcher throws a fastball. When the catcher catches it, (a) positive work ...