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What is the maximum number of electrons in an atom that can have the following set of quantum numbers? n = 4 l = 3 ml = -2 ms = +1/2
Calculate the change in pH when 9.00 mL of 0.100 M HCl(aq) is added to 100.0 mL of a buffer solution that is 0.100 M in NH3(aq) and 0.100 M in NH4Cl(aq).
a gasous mixture of oxygen and nitrogen contains 32.8% nitrogen by mass. what is the partial pressure of oxygen in the mixture if the total pressure is 405mmHG?
calculate the concentration in mol/L and mg/L of a solution prepared by adding 4.00 mL of a 8.26 x 10^-4M stock solution of Allura Red to a 100.00 mL volumetric flask and then filling to the mark with DI water.
how I resolve it, A 1.25 gram sample of methane is container in a 850.0 mL flask at295.65 K.What is the pressure of this gas?
oxidation of gaseous CIF by F2 yields liquid CIF3. Use the following thermochemical equation to calculate delta H reaction for the production of CIF3
When determining the effective nuclear charge for a 1s electron, Slater's rules dictate that the other 1s electron must have a value of 0.30 not 0.35. Why?
What is the rate constant of a first-order reaction that takes 375 for the reactant concentration to drop to half of its initial value?
Van der Waals constants can be found here. P= ? atm Use the ideal gas equation to calculate the pressure under the same conditions. P= ? atm
What is the maximum mass of iron, in grams, that can be obtained from 341 g of iron(III) oxide?
Question1. Describe the movement of gas particles. ; Question2. Compare the shape and volume of a solid and a gas.; Question3. Gases are easily compressed.
The thermal decomposition of phosphate into phosphorous and molecular hydrogen is a first order reaction : 4PH3(g) -----> P(g) + 6H2(g), The half life of the reaction is 35.0 s at 680*c
How many grams of KOH must be added to .500L of the buffer (206mL of 0.453M HCL and .500L of 0.400M sodium acetate)to change the pH(4.79) by .135 units?
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