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Consider a particle in a one-dimensional box
a. What is the expression for the probability showing ∫0a/4 that the particle is in the left quarter of the box?
b. What is the probability that the particle is in the left quarter of the box for n=1?, n=2?, n=3?
-13 degrees C air pressure in an auto tire is 1.5 atm. if the volume does not change, what is the pressure after the tire has warmed to 15 degrees C?
If you are given a 0.33 g piece of sodium metal to react with water, how many moles of HCl would it take to neutralize the sodium hydroxide produced?
Consider the following combustion reaction: 2C4H10 + 13O2 -> 8O2 + 10H20. 125 g of C4H2O react with 415g O2.
How many different signals are expected for this molecule? That is, how many magnetically different hydrogens are present in the molecule? This is in general determinted by differences in bonding, and distance to an electronegative group.
A scuba diver with a lung capacity of 5.2 L inhales a lungful of air at a depth of 45 m and a pressure of 5.5 atm. If the diver were to ascend to the surface (where the pressure is 1.0 atm) while holding her breath.
How much energy (heat) is released when 1.52 moles of H2 reacts with 0.68 moles of Cl2 to create HCl(g) if the ΔHrxn = -184.6 kJ.
calulate the molarity of acetic acid in a venegar sample knowing that 5.00mL of vinegar requires 43.50mL of 0.105 M NaOH to reach the phenolphthalein endpoint in a titration
If 200 ml of gas at 400 torr is transferred to a 20.0 ml cotnainer. What will the new pressure be if the temperature is kept constant?
Calculate the number of moles of ions present in 15.1 g of a solution that is 6.30% MgSO4 by mass. What formula do you use for this problem?
A quanity of oxygen gas was collected over water at 30 c in a 475 mL container. The pressure in the container was measured to be 105 kPa. How many grams of oxygen gas were collected?
A 6 cm string is fastened at both sides is plucked. What is the wavelength of the n = 3 standing wave? How many nodes does it contain.
an aerosol spray can with a volume of 270 ml contains 3.2 g of propane gas propellant. what is the pressure in the can at 20 c.
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