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Problem- Calculate the probability that a particle will be found between 0.49L and 0.51L in a box of length L when it is in state (a) n = 1, (b) n = 2Must incorporate steps of computation
What is the net redox reaction that occurs when Cu comes into contact with acidic K2Cr2O7? (b) What is the E cell for the reaction
A sample of a metal with specific heat .95 J/g C is heated to 80 C and then placed in a calorimeter with 450g of water. The initial temperature of the water is 19 C and the final temperature of the system is 25.1 C. What is the mass of the metal
The elements in Group 6A(16) are sometimes called the chalcogens. The symbol and atomic number of the only metallic chalcogen are (a) and (b)
a laboratory analysis showed the following resultsnbspnbspnbspnbspnbspnbspnbspnbspnbspnbspnbsp cec 20
Benozoic Acid has a Ka = 6.3*10^-5. A 35.0mL sample of 0.130 M Benzoic Acid is titrated with 0.150M NaOH solution. Find the pH after 0.0mL NaOH is added.
How much water would be needed to completely dissolve 1.66 of the gas at a pressure of 700 and a temperature of 10? Kh of gas of 0.194 M/atm.
the density of liquid octane, H8H18, is 0.7025g/ml. if 1.00ml of liquid octane is vaporized at 100 degrees 100'c and 725 torr, what volume does the vapor occupy?
A solution containing 80 g of KCl in 200 g of water at 50 0 C is cooled to 20 0C, a) How many grams of KCl remained in solution at 20 0C and b) How many grams of KCl crystallized out
Calculate the amount of heat necessary to raise the temperature of 12.0g of water from 15.4 degrees celsius to 93.0 degrees celsius
How long would a current of 100.0 amp need to be passed through a AlF3 electrolysis cell to produce 40.0 g of aluminum metal?
A 100 liter air tank housed in a gas station ruptured suddenly and air originally at 5atm escaped to the surroundings at 1atm and 25°C. Find ?S of air, had it been let out slowly in a reversible manner
A certain metal has a density of 10.2 g/cm3 at 25C. it crystallizes in a body-centered cubic arrangement with a unit cell edge length of 314.7 pm. determine the atomic weight.
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