Explain how much disodium citrate and sodium citrate
Explain how much disodium citrate and sodium citrate must be used, in order to make a liter of a pH 4.5 citrate buffer with a total citrate concentration of 0.25 M.
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Determine the numbers of grams of KI are required to produce 1.0g of the yellow solid PbI2?
Coin box has 3 times as many nickles and 4 times as many quarters as it does dimes. If box has the total of $96.25, how many coins of each type does it have?
A 50.0 mL graduated cylinder has a mass of 50.7 g. When a graduated cylinder is filled with an unknown liquid to the 39.4 mL mark, the liquid and cylinder combined have a mass of 156.6 g.
Calculate the area in square meters of 363 g Al foil that has a thickness of 16641 nm which is having the density of Al is 2.70g/cm3.
The standard enthalpy change of the transition is 732 kJ/ mol. The myoglobin unfolds with the transition temperature of 45oC. Find out the entropy of unfolding of myoglobin at 298K.
At 39oC ordered helix to a disordered coil in ethylene-dichloride-dichoroacetic acid solvent and 1 atm the synthetic polybenzyl-L-glutamate undergoes a transition from.
A bacteria culture begins with 900 bacteria and doubles in size every half hour. How many bacteria are present after four hours?
Explain the number of rotational, vibrational and translational degrees of freedom of CO2 and CH4. Determine the molar specific heat for hydrogen gas by using the equipartition theorem.
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