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You have a gas occupying 75L at 800 torr and 315K. What is the volume if the pressure is decreased to 600 torr and the temp is changed to 127 C?
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A solution is made by mixing 30.0ml of 0.240M NH3(aq) with 30.0ml of 0.240 M hydrochloric acid. What is (Are) the principal species and their molarities in the resulting solution? What is the PH of the solution?
A 42.60 gram sample of a hydrate of BaI 2 was heated thoroughly in a porcelain crucible, until its weight remained constant. After heating, 39.01 grams of the dehydrated compound remained. What is the formula of th ...
An 18g ice cube initially at -10C is dropped into 120 g of water initially at 25C. What is the final temperature of the system after all of the ice has melted? Use the data provided in the reference data sheet and assume ...
How many molecules of butane (C4H10) are contained in a 9.213 g sample? How many hydrogen atoms are contained in this sample?
As a distributor, Testa Produce doesn't have direct contact with the public. How might the company go about alerting consumers to its "green" initiatives?
A decompression chamber used by deep-sea dives has a volume of 10.3 m 3 and operates at an internal pressure of4.5atm. What volume, in m 3 would the air in the chamber occupy if it were at 1 atm pressure, assuming no t ...
For the molecule allene, H2 C = C = CH2, give the hybridization of each carbon atom. Will the hydrogen atoms be in the same plane or perpendicular planes?
A paint contains 180.0 ppm lead. Approximately what mass of lead will be in 1.00 cm ^3 of this paint when 1.00 gal is uniformly applied to 445.0 ft 2 of a wall. The density of the paint is 8.00 lb/gal.
Carbon-carbon single bonds in organic molecules have energies about350. kJ/mol. What is the corresponding wavelength? Could UV lamps(248 nm) be used to break these bonds?
1. Suppose 100.0 mL of an aqueous solution containing an unknown monoprotic acid (called HA) is titrated with 0.150 M KOH. The titration requires 47.82 mL of the potassium hydroxide to reach the equivalence point. What i ...
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