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At the boiling point the density of the liquid is 809 g/l and that of the gas is 4.566g/l. How many liters of liquid nitrogen are produced when 982.0 L of nitrogen gas is liquefied at 77.36K?
Enough of a monoprotic acid is dissolved in water to produce a 0.0142 M solution. The pH of the resulting solution is 2.51. Calculate the pKa for the acid
calculate the ph at the equivalence point for the titration of 0.10 M NH3 with 0.10 M Hcl. the Kb for NH3 is 1.8 10^-5.
What volume of each of the following acids will react completely with 50.31 mL of 0.146 M NaOH?
How many joules are released when 6.94 moles of water cools from 100.0 degrees Celsius to 0.0 degrees Celsius?
The results of the experiment supported the hypothesis of semiconservative replication, which was proposed by Watson and Crick.
Multiple choice questions in nuclear chemistry - which equation represents the balanced nuclear equation
Solid NaI is slowly added to a solution that is 0.0091 M Cu+ and 0.0077 M Ag+. Calculate the concentration of Ag+ when CuI
If the propanoate ion comes from strontium propionate, Sr(C3H5O2)2 then how many grams of strontium propanoate are needed? Assume it is completely soluble.
You have a volume of 100 L at a concentration of 100 PPM of benzene. If you later sampled from this known concentration at a temperature of 15° C
Europium (Europium is a chemical element with the symbol Eu and atomic number 63 )crystallizes in a body-centered cubic lattice compute the unitcell edge length in pm if The density of Eu is 5.26 g/cm3..
Assume that fructose is a molecular solid and does not ionize when it dissolves in water.
How many grams of acetylene are produced by adding water to 5.0 grams CaC2
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