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You have a solution that contains both calcium and magnesium nitrate. The concentration of each is 0.1250 M. What is the pH of the solution when the least soluble one is precipitated before the most soluble one starts precipitating? The solubility product constant for the metal hydroxide are K = 4.68 × 10^-6 and the K = 2.06 × 10^-13
A sample of krypton gas at a pressure of 0.621 atm and a temperature of 20.7oC, occupies a volume of 17.2 liters. If the gas is compressed at constant temperature to a volume of 5.62 liters, the pressure of the gas sample will be
What is the mechanism for turning 1-bromotbutane when it reacts with KI and DMF into n-butyl acetate?
Predict the average rise in sea level due to thermal expansion based on temp changes of 1,2, and 3.5 degrees C given that the volume of the Earth's Oceans is 1.37X10^9 km^3 and the surface area is 361X10^6 km^2, and state the approximations that g..
best describes the self-sustaining process of fission with a critical mass of uranium-238?
Copper has a density of 8.900 g/cm^3. How many centimeters cubes would be displaced If 35 kg of copper pellets were poured into a barrel of water
what is the ph of 0.0005 m solution of sodium bicarbonate and water using the dominant reation alone and assuming that
many gases are shipped in high-pressure containers. consider a steel tank whose volume is 65.0 l and which contains o2
A 125 mL sample of dry air at 230 degrees celcius is cooled to 100 degrees celsius at constant pressure. What volume will the dry air occupy at 100 degrees celsius.
You have 75.0 g of solute Q dissolved in 300-mL of water. The distribution coefficient between ether and water for solute Q is 8. a) How many extractions using 60-mL of ether each would you need to carry out to extract a total of 70.7 g (total) so..
How to calculate the theoretical yield for diels alder-synthesis of 1,2,3,4-tetraphenylnaphthalene which is generate from benzyne (anthranillic acid+ isomanyl nitrite) and the presence of 2,3,4,5-tetraphenylcyclopentadienone? Are we going to use ..
determination of the partial pressures of the gases.a mixture of cs2nbspg and excess o2nbspg is contained in a
A weather ballon is filled with helium to a volume of 305L at 28 degree celcius and 751 mmHg . The ballon ascends to and altitude where the pressure is 504 mmHg and temperature
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