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Calculate the density of xenon gas at 182 oC and 605 torr. Use R = 0.0821 L-atm/mol-K for the value of the gas constant.
a) The density is 6.98 g/L.
b) The density is 14.0 g/L.
c) The density is 2120 g/L.
d) The density is 5.30e+03 g/L.
e) The density is 2.79 g/L
Calculate the theortical potential of the following cell. indicate if the cell as written is galvanic or electrolytic
A solution is prepared by mixing 50.0 mL of 0.11 M Pb(NO3)2 with 50.0 mL of 1.3 M KCl. Calculate the concentrations of Pb2+ and Cl - at equilibrium. Ksp for PbCl2(s) is 1.6* 10-5.
How many grams of dry NH4Cl need to be added to 1.80 L of a 0.800 solution of ammonia, NH3, to prepare a buffer solution that has a Kb of 8.87? for ammonia is 1.8E-5.
suppose that 1.15 g of rubbing alcohol (C3H8O) evaporates from a 65.0 g aluminum block. If the aluminum block is initially at 25 C, what is the final temperature of the block after the evaporation of the alcohol?
Pour the water into a 24.0 gram beaker and boil off all the water, so only the salt remains. The beaker with salt in it weighs 41.0 grams. What is the % of salt and % of water
What volume of 0.200M Hydrochloric acid must combined to 250mL of 0.300M C8H7NaO3 to produce a buffer of solution with a pH of 3.37?
What fraction of iodine -131 remains 32 days after a 12.0 gram dose was administered? The half life of iodine -131 is 8.0 days
Use the appropriate standard reduction potentials to calculate the value of k at 25 degrees celcius
what do you think Does it mean that their properties also differ from a classical model of matter?
A solution of I2 was standardized with ascorbic acid. Using a 0.1000-g sample of pure ascorbic acid, 23.52 mL of I2 were required to reach the starch end point.
Giving examples give the mechanisms of Aldol condensation between two molecules of aldehydes and two molecules of ketones
Use the observations and arrange the following five reduction half-cell reactions in order, the one with the largest positive reduction potential listed first.
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