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what mass of water is required to dissolved in 175g KNO3 to produce a 2.25 m solution?
NH3(Ammonia ) is widely used in many household cleaners and as a fertilizer. Calculate How much ammonia (in units of mol) is produced when 7.8 mol of H gas react with an excess of N gas.
If 124 mL of 9.50 M nitric acid is diluted to 555 mL, what is the concentration of the diluted solution
Graphite Furnace vs ICP, with investigating and writing a proposal for Heavy metal testing using Graphite Furnace.
The Ksp for Al(OH)3 is 2 x 10-32. At what pH will a 0.2 M Al3+ solution begin to show precipitation of Al(OH)3.
what is the maximum kinetic energy of a photo electron ejected from cesium by 555nm light? note that if the wavelength of the light used to irradiate the cesium surface become longer than 600 nm, no photoelectrons are emitted.
When one mole of benzene (C6H6) undergoes complete combustion, 3,170 kJ are released. Calculate the combustion energy of 0.350 kg of benzene?
H2 and Cl2 combine to form HCl. In a gas phase equilibrium mixture of H2, Cl2, and HCl at 300 K, [HCl] = 0.0036 mol/L and [Cl2] = 0.00485 mol/L.
The solubility of N2 in blood at 37°C and at a partial pressure of 0.80 atm is 5.6 10-4 mol/L. A deep-sea diver breathes compressed air with the partial pressure of N2 equal to 3.6 atm.
A weather balloon at Earth's surface has a volume of 4 L at 294 K and 746 mm Hg. If the balloon is released and the volume reaches 4.19 L at 715 mm Hg.
a sample of a gas has a mass og 0.311g. its volume is 0.225 L at a temperature of 55 degrees C and a pressure of 886 mmHg. find its molar mass
Draw the enantiomer of proline which would give rise to the absolute stereochemistry and draw a proposed catalytic cycle for the transformation and how does the catalyst activate the substrate
Use a drawing program to draw a beaker.
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