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a glass bulb of volume 0136 l contains 07031 g of a gas at 759 torr and 995 degrees c what is the molar mass of the
two samples of oxides of carbon were analyzed and one was found to contain to contain 360 g of c and 320 g of o the
how many minutes does it take light from the sun to reach earththe distance from the sun to earth is 93 million mithe
if you stacked avogadros number of pennies one on top of the other on earths surface how far would the stack extend in
a high-protein diet contains 70 of carbohydrate 160 of protein and 45 of fat how many kilocalories does this diet
sulfuric acid sold for laboratory use consists of 967 by mass sulfuric acid the rest is water the density of the
the standard width between rails on north american and most european railroads is 4 ft 8 in calculate this distance in
in older us car total cylinder volume is expressed in cubic inches compute the total cylinder volume in liters of a
a family used 1438 kilowatt hours kwh of electricity during the month of october express this amount of energy in
hurricane katrina which hit the gulf coast of louisiana and mississippi on august 29 2005 had the second lowest ever
balloons are still used to deploy sensors that monitor meteorological phenomena and the chemistry of the atmosphere it
a gas sample is connected to a closed end manometer the difference in mercury levels in the two arms is 115mm what is
the isothermal compressibility of copper at 293k is equal to 725x10-7 bar-1 what pressure must be applied to copper at
5000 ml of 0140 m naoh is added to 625 ml of 0200 m weak acid ka 895 x 10-5 what is the ph of the resulting
a chemistry student needs 400 ml of pentane for an experiment by consulting the crc handbook of chemistry and physics
allicin is the compound responsible for the characteristic smell of garlic an analysis of the compound gives the
2fe2o3 yields 4fe 3co2given that balanced equation 2617 grams of fe2o3 are mixed with 6970 grams of carbon how many
a rigid ie constant volume non-conducting ie perfectly insulated no heat losses or gain tank with a volume of 33 m3
when heated 817 g of a salt of hydrated magnesium chloride mgcl2 xh2o where x represents the number of moles of h2o per
sucrose which is commonly known as table sugar reacts in dilute acid solutions to form two simpler sugars glucose and
in the lowest energy chair conformation of cis-13-dimethylcyclohexane how many axial positions are occupied by hydrogen
the region in a baseball diamond between the bases is a square that is 90 ft on each side on a given rainy day 25
two samples of copper and lead both weighing 1500g each recive equal amounts of heat the temp of copper increased from
consider the combustion of if hydrogen is burning at the rate of 090 what is the rate of consumption of
if the volume of the ocean calculated above63x1020 liters contains 28 percent sodium chloride salt by mass and the