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A 45.0-L steel tank at 20.0°C contains acetylene gas, C2H2, at a pressure of 1.39 atm. Assuming ideal behavior, how many grams of acetylene are in the tank?
Calculate the pH of a buffer made with 0.50M phosphoric acid and 0.75M sodium dihydrogenphosphate. Ka = 7.5 x 10-3.
It takes 78.2 J of energy to raise the temperature of 45.6 g of lead by 13.3 oC. What is the specific heat capacity of Pb? What is the molar heat capacity of Pb.
Calculate the concentration of Hg2+, HgCl+, and HgCl2 that result when 1.00 L of a 0.100M Hg(NO3)2 solution is mixed with an equal volume of 0.100M HgCl2 solution.
what is the diameter of an aluminum atom? the mass of 1 mold is 27 g the density of aluminum is 2.7g mol
Calculate the molarity of a Ca(OH)2 solution if it takes 25.0 mL to titrate 0.650 g of KHP in a standardization titration. (KHP has one H+ and a formula weight of 204.2 g/mol.)
Rank the following atoms (from smallest to largest) based on which would have the largest second ionization energy?
A stock solution is prepared by adding 23 mL of 1.6 M Pb(ClO3)2 to enough water to make 50 mL. How many moles of ClO3- are in 24 mL of the stock solution?
When (R)-2-butanol is treated with TsCl in pyridine,the product formed and Classify the reaction
An acetic acid/acetate buffer system would be the best choice for experiments at pH = 5.00. What mass of sodium acetate trihydrate (NaCH3CO2•3H2O)
assign absolube stereochemistry (R or S) to each of the stereocenters in (+)menthol
The mass spectrum of an organic compound shows the relative abundances of M to be 36.44% and M 1 to be 8.277%. Assuming the peaks are caused by 12C and 13C isotopes
Consider the same dilution above for an SN1 reaction. Would the time required for 95% for the starting material to react change as a result of this dilution?
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