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what is the uncertainty in the momentum of an electron if its position has been determined to an accuracy of ±10 poco meters?
Describe in detail how you would prepare a solution with a concentration near 0.100 M from a 0.650 M stock solution. Calculate the final concentration of the diluted solution (it won't be exactly 0.100 M). It should be within 10% of 0.100 M.
What component of air will bring about this reaction and what is its approximate concentration in air? If you had a stoppered flask with basic luminol and then opened it to the air
Al(OH)3 + 3HCl ---> AlCl3 + 3H2O Determine the moles of acid neutralized if a tablet contains 0.200 mol Al(OH)3
The dipole moment of SO2 and CO2 are 5.37x10-30 C.m and zero, respectively. What can be said about the shapes of the two molecules.
Ozone (O3) can be prepared in the laboratory by passing an electrical discharge through a quantity of oxygen gas (O2): 3 O2 (g) -------> 2 O3 (g) A 10.00-L evacuated steel vessel is filled with 32.00 atm of pure O2 at 25°C.
a metal piece of mass 27 grams at the temperature of 99 degree celsius is positioned in a calorimeter having 45.1 g
Problem- What is the volume occupied by 67. 5g of mercury, given that it's density is 13.5 g/cm^3 at 25 degrees Celsius and 1.0 atm
Cells of a certain human tissue have an average diameter of 20µm. A single circular well of a 100-well plate has a diameter of 5.0 mm. What is the maximum number of cells that can be grown on the surface of a single well
A sample of pure oxalic acid hydrate was obtained by extracting a plant called Snake Tongue. A 3.000 g sample of the materials heated carefully in a vacuum oven until no more mass was lost from the sample.
the solubility of kcl in h2o 34.0 g kcl100 g h20 at the temperature of twenty degree celsius. a solution warm having
The neutral OH molecule has been implicated in certain ozone-destroying processes which take place in the upper atmosphere. a.) Assuming the electron added to OH is entirely localized in a single atomic orbital on one atom
3.20 Existing records reveal the following information about events A and B, where A = a long March warm spell and B = an April flood. Are variables A and B independent. Prove.
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