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When an acid donates protons, what happens to its relative strength? What about base?
The mass ratio of sodium to fluorine in sodium fluoride is 1.21:1. A sample of sodium fluoride produced 36.5 {rm g} of sodium upon decomposition. How much fluorine (in grams) was formed?
The planet Jupiter has a mass 318 times that of Earth, and its surface temperature is 140 K. Mercury has a mass 0.05 times that of Earth, and its surface temperature is between 600 K and 700 K. On which planet is the atmosphere more likely to obey..
Until the early 1960s the group 8A elements were called the inert gases; before that they were called the rare gases. The term rare gases was dropped.
What kinetic energy must the electrons have in order to resolve a protein molecule that is 2.30 nm in diameter? Take the mass of an electron to be 9.11× 10-31 kg.
Using the calibration equation and the absorbance you measured for the prepared sample, calculate the ferroin concentration. Show your work and don't forget to include units.
A solution of NaF is added dropwise to a solution that is 0.0144 M in Ba^2+. When the concentration of F^- exceeds __________ M, BaF2 will precipitate. Neglect volume changes. For BaF2, K sp = 1.7 X 10^-6.
question show that a 2.00 g sample of pbcl2 will dissolve in 25.0 ml of 1.00 m hcl.pbcl2s cl-aq pbcl3-aq kf
What exactly does the 1,2 in "1,2 disubstituted" mean? I guess we can only use cis and trans when it's 1,2 disubstituted, but I have no idea what the 1,2 means.
A healthy individual has a blood glucose concentration reported as 122 mg/dL. convert that to units of g/L
What mass (in grams) of the mineral ilmenite, FeTiO3, is required if you wish to obtain 7.50x103 grams of titanium metal (Ti) from the ilmenite
a mixture of 1.374 g of h2 and 70.31 g of br2 is heated in a 2.00-l flask at 700 k. the following equilibrium is
If the concentration of bromide ion in a saturated solution in equlibrium with PbBr2 solid is determined to be .0125M what is the solubility of PbBr2
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