What mass of hydrogen is in the container
A 25 L container holds hydrogen gas at a guage pressure of .25 atm and a temperature of 0 C. What mass of hydrogen is in the container and how many molecules are there?
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If a divalent metal ion is inserted in the center of theporphine ring, tis charge will exactly balance the two negative charges of the dianion.
An object is at distance s from a thin glass lens of focal length f. The lens is surrounded by air. The image is at distance s' from the lens. Draw a graph of s' versus s. Explain physically why the graph varies as it does.
In order to improve the signal transmitted reliablity, the signal to be transmitted will be sent five independent times to the reciever. The reciever will then interpret the signal to be a 1 if he/she recieves at least three 1's among the five tr
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A certain metal oxide has the formula MO. When 39.46 grams of MO reacts with excess hydrogen gas according to the reaction shown below, 31.70 g of pure M is obtained.
A street has 30 street lights in a row. If 8 of the street lights are damage and you are going to replace them and don't know which of the lights are damage. What is the probability that you chosen exactly the 8 damage lights and all 30 lights are
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