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During an experiment to find molar volume of oxygen, assume that you heated your sample too rapidly, and some of the sample spattered onto the rubber stopper in the test tube. Will your calculated percent KClO3 be too high, too low, or unaffected if you finish the experiment as written? Explain.
what is the concentration of a nitric acid solution if a 10.00ml sample of the acid reqires 31.25ml of 0.135m koh for neutralization.
What volume of hydrogen gas measured at STp would be produced if 12.2 mL of 3.4 M HCl reacted with an exces amount of zinc? Zn + HCl --> H2 + ZnCl2
Titration will require more moles of base than acid to reach the equivalence point. E. titration will require more moles of acid than base to reach the equivalence point.
A 500-g sample of Al2(SO4)3 is reacted with 450 g of Ca(OH)2. A total of 596 g of CaSO4 is produced. What is the limiting reagent in this reaction, and how many moles of excess reagent are unreacted?
How many grams of acetic acid will you need to prepare the 500 mL buffer? Note that the given concentration of acetate refers to the concentration of all acetate species in solution.
what shared property of alpha helices and beta sheets favors the formation of these structures in membrane spanning
determine the molar mass of chloroform gas if a sample weighing .389 grams is collected in a flask with a volume of
Propane reacts with excess oxygen to produce carbon dioxide gas and water. What volume of CO2,measured at 27.2 °C and 0.918 atm, is produced from the reaction of 10.1 g propane with excess oxygen.
A 46.2mg sample of phosphorus reacts with selenium to form 135mg of the compound. What is the empirical formula of the phosphorus selenide
Calculate the mass in metric tons of a cube of Au that is 36.1cm on each side? It is given that density of gold- 19.3 g.cm 3 , (1 metric ton-100kg)
for the reaction X(g) + 3Y(g) equilibrium 3Z(g). Kp=2.08x10^-2 at a temperature of 277 degrees Celsius. Calculate the value of Kc
cortisol m 362.47 gmol one of the major steroid hormones is a key factor in the synthesis of protein. its profound
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