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The half-life of a first order decomposition reaction is 2.36 hours. If the initial concentration of reactant is 0.52M, what is the concentration of reactant after 752 seconds?
calcualte the pH at one-half the equivalence pont and at the equivalence point for a titration of 50 mL of 0.100M acetic acid with 0.100M NaOH
Describe the molecule xenon trioxide, XeO3, using four possible Lewis structures, one each with zero, one, two, or three Xe-O double bonds.
14.312g of magnesium nitrate were dissolved in water to produce 650ml of solution. The formual concentration of he solution.
a 2.53g of solid NaOH is dissolved in 100g of water in a coffee cup calorimeter, all the reagents initially being at 20 degrees Celsius. Calculate the final temperature of the solution obtained, given the fallowing information
a 1.60 g sample of a large biomolecule a nonelectrolyte was dissolved in 18.0 g of carbon tetrachloride. the boiling
Which one of the following derivatives of ethane has the highest boiling point?
How would you prepare 250mL of a buffer having a pH of 3.60 using 0.500M NaOH and 0.500M of HNO2. Would you calculate the molarities of the conjugate acid and base pair and then somehow get the volumes from that
SO2Cl2 decomposes to SO2 and Cl2 All are gases. .0260 moles of SO2Cl2 are introduced in 1 L bulb at 375K When system reaches equilibrium total pressure in bulb is 1.43 atm. Calculate partial pressures of each gas.
Calculate the cell potential (Ecell) of an electrochemical cell with Mg/Mg2+ and Fe/Fe2+ electrodes. [Mg2+] = 0.200 M and [Fe2+] = 0.050 M.
Commercial concentrated aqueous ammonia is 28% by mass and has a density of 0.90 .What is the molarity of this solution?
Hydrogenation of carbon double bonds C=C (i.e. adding a hydrogen on each carbon atom and thus reducing the double bond into a single bond: H-C-C-H) is a very common process in organic and polymer chemistry.
Using the data collected for part c on your data sheet and assuming the density of the vinegar is 1.00g/mL, 1) calculate the molar concentration of acetic acid (CH3COOH) in the vinegar sample using the average volume of NaOH.
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