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What is the concentration of hydronium ion in an aqueous solution at 25 degrees C has a hydroxide ion concentration of 0.000038?
what is the molarity of a solution containing 7.0 moles of solute in 4300 mL of solution?
An excited electron in a hydrogen atom relaxes to the n=4 level emitting light with a frequency of 1.141*10^14 Hz. In what principal quantum level did the electron begin?
The free radical chlorination of isobutane at 25C yields 64% isobutyl chloride and 36% tert-butyl chloride. However, free radical bromination of the same compound at 127C yields only trace amounts of isobutyl bromide and 99% of tert-butyl bromide
A solution may contain any of the Group III cations. Treatment of the solutio with CIO- in alkaline medium yields a yellow solution and a colored precipitate.
The resulting mixture exerts a pressure of 745 mm Hg at 95 C. What was the mass of the original sample?
A 99.8mL sample of a solution that is 12.0% KI by mass(d=1.093g/mL) is added to 96.7mL of another solution that 14.0%Pb(NO3)2 by mass (d=1.134g/mL). How many grams of PbI2 should form.
atomic radius for Copper ,and assuming the atoms to be rigid spheres,
Chemical Kinetics - Show that only the reactants of the slow step of a reaction are found in the rate law of the reaction - which of the two steps is slower and which substance (if any) is probably an unstable intermediate?
A sample of 255mg of neon occupies 3.00dm3 at 122K. Use the perfect gas law to calculate the pressure of the gas.
How many joules of energy are necessary to heat the steam from 100.0C to 114.0C if the specific heat of steam is 2.02 J/ g C
cinnamaldehyde and aniline 2) benzaldehyde and m-nitroaniline 3) benzaldehyde and aniline 4) cyclohexanone and aniline Help would be greatly appreciated and generously ranked
What is the volume of the container needed to store 0.8 moles of argon gas at 5.3 atm and 227°C.
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