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calculate the pH of a 0.10M solution of hypochlorous acid. ka for hypochlorous acid is 3.5x10^-8
What pressure will the evolved carbon dioxide produce when 184.5g of calcium carbonate decomposes in a 20.00L container at 22.4 deg celsius?
The half-life for the reaction at 550C is 81.3 seconds. How long does it take for 89% of phosphine sample to decompose?
A 10.9-g mixture of nitrogen and carbon dioxide is found to occupy a volume of 8.88 L when measured at 641.9 mmHg and 28.5oC. What is the mole fraction of nitrogen in this mixture?
A gaseous mixture containing 0.150 mol fraction of carbon tetrachloride (CCl4) and 0.850 mol fraction of dry air is initially at 65.0°C
Complete and balance the following equations, and identify the oxidizing and reducing agents. MnO_4^-}(aq) + CH_3OH}(aq) -->Mn^{2+}}(aq) + {\rm HCO_2H}(aq) acidic \ solution})
If 1.32g of al were reacted with an excess HCl, what amount of Hydrogen gas would be theoridocially be admitted at STP?
Calculate the pH when 6.80 g of NaBrO is added to 100. mL of a 0.500M HBrO solution (assume no change in volume). 8.76 b) Calculate the pH when 100 mL of 0.50 M NaOH is added to 100 mL of a 0.50M HBrO solution. 11.0
Why is it extremely dangerous to attempt to carry out a distillation in a completely closed apparatus
Draw a titration curve for both of these peptides. Be sure to label the axes properly, indicate the pKa values, the equivalence points and the buffering regions.
What is the molarity of a solution containing 1.35 mol H2SO4 in 245 mL of solution
Mass spectroscopy indicates the molar mass to be about 162 g/mol. What is the molecular formula of the unknown compound?
A cylindrical glass tube 13.3 cm in length is filled with mercury ( density= 13.6 g/mL ). the mass of mercury needed to fill the tube is 107.5 g. calculate the inner diameter of the tube.
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