Saturday
March 28, 2015

Posts by angela


Total # Posts: 1,423

Physical Chemistry
At 25.0o C, the equilibrium 2 NOBr(g) ¡ê 2 NO(g) + Br2(g) is rapidly established. When 1.10 g of NOBr is placed in a 1.0 L vessel at 25.0o C, the equilibrium pressure is 0.355 bar. Calculate the equilibrium constant K. ( P¥è = 1 bar ) Angela. Read your ...
October 18, 2006

music
how can i get better at piano without a teacher? It's the same answer as the New Yorker responded to this question: "How do I get to Carnegie Hall?" The answer: "Practice, practice, practice."
September 15, 2006

p.e
how can I stay but still eat junk food????? You can stay healthy by eating mostly healthy foods and much smaller amounts of junk food. That depends upon how much junk fund you want to eat. In general, however, eating junk food and staying slim (I suppose that is the word ...
September 15, 2006

science
how can a drop of rain in Denver become a flake of snow in Montana. Rain, and water vapor, freeze in temperatures below 0C. True
September 14, 2006

cultural diversity
Do you own homework
August 25, 2006

sociology
I feel you guys on week 2. I'm still trying to answer to week 2.I look at Chapter 2 p.34 nothing. Is this some kind of joke.
July 20, 2006

I REALLY NEED HELP ON THIS--IM SO LOST.
i have the same homework problem the one about if its taxable and the aftertax yields and if you actually look in your e-books all the answers are there its in different chapters if you look at the housing chapter for the condo and taxes for it too along with ch 6 its all ...
June 15, 2006

electricity
if a bar of copper is brought near a magnet, the copper bar will be? A)attracted by the magnet. B)unaffected by the magnet. C)repelled by the magnet. D)made into an induced magnet. B)unaffected by the magnet. Actually there is a very slight repulsn due to diamagnetism (C), but...
August 24, 2005

electricity
What bias conditions must be present for the normal operation of a transistor amplifier? A)the emitter base junction must be reverse biased, and the collector base junction must be forward biased. B)the emitter base junction must be forward biased, and the collector base ...
August 24, 2005

electricity
The grid in a high-vacuum triode is usually kept negatively charged with respect to the cathode so that the electrons may be? A)accelerated toward the anode. B)accelerated toward the cathode. C)attracted to the anode instead of the grid. D)attracted to the cathode instead of ...
August 24, 2005

electricity
the magnitude of the voltage induced in a conductor moving through a stationary magnetic field depends on the ------- and the------- of the conductor. A)lenght, speed. B)distance, circumference. C)resistance, current. D)color, capacitance. length and speed...you are cutting ...
August 23, 2005

electricity
the function of a capacitor in an electric circuit is to? A)allow current flow between its plates. B)measure the amount of current in the circuit. C)increase circuit power. D) store electric charges. A and D are both correct, if you include in "current flow" the ...
August 23, 2005

electricity
to use your left hand to determine the direction of the voltage developed in a moving conductor in a stationary magnetic field, you must point your? A) thumb in the direction of the magnetic flux. B)thumb in the direction of the electromagnetic force. C)forefinger in the ...
August 23, 2005

electricity
including a full wave rectifier in an AC circuit will yield a ----- current. A)intermittent direct. B)intermittent alternating. C)continuous direct. D)continuous alternating. Full wave recitifer will reverse the negative waves, making the output voltage waveform like continous...
August 23, 2005

Electricity
if an electrically uncharged body is contacted by an electrically charged body,the uncharged body will? A)develop the opposite charge as the charged body. B)remain na neutrally charged body. C)develop the same charge as the charged body. D)neutralize the charged body. The ...
August 22, 2005

Electricity
if an electrically uncharged body is contacted by an electrically charged body,the uncharged body will? A)develop the opposite charge as the charged body. B)remain na neutrally charged body. C)develop the same charge as the charged body. D)neutralize the charged body. c
August 20, 2005

Electricity
when an electric current flows through a long conductor, each free electron moves? A)from one end of the conductor to the other end. B)with a speed of 300,000,000 m/s. C)back and forth between the ends of the conductor. D)through a relatively short distance. The individual ...
August 20, 2005

Electricity
suppose that you're facing a straight current carrying conductor, and the current is following toward you.the lines of magnetic force at any point in the magnetic field will act in? A)the same direction as the current. B)a clockwise direction. C)the direction opposite to ...
August 20, 2005

Electricity
when an electron is displaced in a semiconductor, the hole that's left behind is? A)attracted to the negative terminal of the voltage source. B)incapable of carrying a charge. C)attracted to the anode of the voltage source. D)considered an impurity in the crystal. The ...
August 20, 2005

heat
what cools the air in a household refrigerator? what cools the air in a household refrigerator? Inside the refrigerator, the evaporator absorbs heat and cools the inside. Outside, room air cools the condensor coils that are bring heat from the inside of the refrigerator.
August 19, 2005

heat
in a gasoline engine the area in the cylinder head where the air and fuel mixture is burned is called the? What is the combustion chamber?
August 19, 2005

heat
the main purpose of the turbine in the turbojet engine is to? The turbine rotates the compressor, compressing the inlet air. Often, electrical generators and hydraulic pumps are attached to the turbine via gears also. drive the compresser
August 19, 2005

plants
My son has to do a project on monocots and dicots, which I know are plants but he has to have 4 examples of each and place them on a poster board tell about them, etc. and to do a rubric about this project. I am having trouble finding what they are and the examples since he ...
August 14, 2005

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