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Explain what volume of 70.0 mM potassium maleate buffer, pH 6.5, would be required to make 0.100 liters of 5.00 mM maleate buffer containing 1.80 M ammonium nitrate?
How many of these nuts would a 67kg person have to eat to obtain enough energy to bike (racing)for 40min?
Could someone explain this competition and interaction? I know that chromatography is based on the attraction with the stationary phase or mobile phase
A gaseous hydrocarbon sample is completely burned in air, producing 1.80 liters of carbon dioxide at standard temperature and pressure and 2.16 grams of water. What is the empirical formula for hydrocarbon
How long does it take to electroplate 0.5 mm of gold on an object with a surface area of 31 cm2 from an Au3+(aq) solution with a 8 A current. Recall the density of gold is 19.3 g/cm3.
an electrical motor is used to operate a carnot refrigerator with an interior temperature of 0 degrees celsius. liquid
Designing and preparing aqueous buffer solution with the pH indicated.
The average kinetic energy of the molecules in a gas sample depends only on the temperature, T. But given the same kinetic energies, a lighter molecule will move faster than a heavier molecule.
1.000 g sample of a metal chloride, MCl2, is dissolved in water and treated with excess aqueous silver nitrate. The silver chloride that formed weighed 1.286 g. Calculate the atomic mass of M.
a 100.0 ml of acetic acid solution of unknown molarity is titrated with 0.15 m naoh solution. the titration requires
methanol is burned as fuel this makes it clear that the reaction is spontaneous once methanol is ignited. yet the
given that the length of the edge of a unit cell is 383 pm, determine the density of iridium in g/cm3.
In a 50.0 L container, 4.00 moles of chlorine and 2.00 moles of bromine are placed and kept at 293.0 K until equilibrium is reached. At equilibrium there are 82.63 g of Br2
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