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Is there a relationship between the volume of water displaced and the total volume of the block that has anything to do with density? If so, what is it?
When 95% ethanol was used as the buffer only the mixture and methylene blue travelled up the plate, but when 65% ethanol was used as the buffer all 3 of them travlled up the plate. why did sodium fluorescein not move with 95% ethanol
In one process 6.00kg of CaF2 are treated with an excess of H2SO4 and yield 2.86kg of HF. Calculate the percent yield of HF.
explain how a soap removes dirt from our bodies. describe the process in relation to the secondary attractive forces that are operative.
use the law of constant composition to complete the following table summarizing the amounts of iron and chlorine
Predict the NMR spectra for each of these two compounds by listing, in the NMR tables below, the chemical shift, the splitting, and the number of hydrogens associated with each predicted peak. Sort the peaks from largest chemical shift to lowest.
a mixture of barium and silver is to be analyzed. the barium component reacts with acid to generate hydrogen gas while
Complete and balance the equation for this reaction in acidic solution. MnO4- + HNO2 -> NO3- + MN2+ Which element got oxidized. Which element got reduced. Which Species was the oxidizing agent
if 69.5 kj of heat is applied to a 1012-g block metal, the temperature of the metal increased by 11.4 degrees celsius. what is the specific heat gravity?
Problem- Propane is widely used in liquid form as a fuel for barbecue grills and camp stoves. for 79.3 g of propane. calculate the following quantites. The formula of propane is C3H8.
You have a 100.0- mL graduated cylinder containing 50.0 mL of water. you drop a 115-g piece of brass into the water. To what height does the water rise in the graduated cylinder.
Question- Some of the common bases used as the active ingredient in commercial antacid tablets are listed below. Calculate the number of milliliters of 0.100 M HCl solution that could be neutralized by 1.00 g of each of these substances. Show your..
Explain what will the morality of H+ and OH- be if 2mL of 6M HCl were added? I figured out the morality of SbCl3 at .11M but i can't figure out the H+ and OH-. Recognize that when 6M HCl is added to the diluted solution of antimony dichloride in H..
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