Describe the changes in potential energy
Describe the changes (if any) in potential energy and in kinetic energy among the molecules when gaseous PCl3 condenses to a liquid at a fixed temperature.
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As the frequency of the oscillator is varied over the range 500-1500 Hz , the wire is observed to set into oscillation only at frequency 860 Hz to 1290 Hz. What is the linear density of the wire??
In the study of a second-order gas-phase reaction, it was found that the concentration of a reactant fell from .220molL-1 to .056mol L-1 in 1.22x104s.What is the rate constant of this reaction.
Determine the air to fuel ratio required (on a mass basis) to burn the fuel with 20% excess air. If the air is at 27C and 98 kPa, what volume of air is required to burn a kg of fuel?
For each statement below, select weather that statement describes an electric field, a magnetic field, both and electric and a magnetic field, or neither. (Note each answer is used once.) 1. The field exerts a force on stationary charge
The Los Angeles Times regularly reports the air quality index for various areas of Southern California. A lower index value means better or cleaner air. A sample of air quality index values for Pomona provided the following data: 33, 47, 63, 53, 5
Isothermal expansion back to 1 bar pressure constant pressure cooling back to the original condition. R=0.287 KJ/kg.K for air, evaluate the work done during each of theses processes.
A stationary particle(q = 2.8e-8 C) is placed in a laser beam(electromagnetic wave) whose intensity is 2.2e3 W/m^2. Determine the magnitude of the (a) Electric and (b) Magnetic forces exerted on the charge.
An automobile travels at 30mph, which is also the speed of the center of the tire. If the outer radius of the tire is 15 in. Determine the rotational velocity of the tire in the unit of rad/s, deg/s and rpm.
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