A sample of an unknown gas effuses in 109 min an equal
A sample of an unknown gas effuses in 10.9 min. An equal volume of H2 in the same apparatus at the same temperature and pressure effuses in 2.35 min. What is the molar mass of the unknown gas?
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light of wavelength 633nm is shone normally on a planecontaining two slits the first interference maximum is 82cm
is othello a critical thinker how do you know give two or three of his main beliefs andor decisions showing how he
what is the molarity of 00250 liters of a solution containing 750 grams of a compound whose molar mass is 1528
a simple pendulum consists of a ball connected to one end of athin brass wire the period of the pendulum is 181 s
a sample of an unknown gas effuses in 109 min an equal volume of h2 in the same apparatus at the same temperature and
how many electrons are transferred in the following oxidation reduction reaction 3 sn2aq cr2o72-aq 14 h 3 sn4aq 2
water is pumped steadily out of a flooded basement at a speedof 50 ms through a uniform hose of radius 10 cm thehose
to help prevent frost damage fruit growers sometimes protecttheir crop by spraying it with water when overnight
given the following reaction if 300 mol of al are placed in a reaction vessel with 600 mol of co2 how many mol of al2o3
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