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a reaction was found to be third order in a increasing the concentration of a by a factor of 3 will cause the reaction
a reaction was found to be second order in carbon monoxide concentration the rate of the reaction if the co is doubled
how is posible that an ionic compund have a positive and negative ions and still have a net charge of
a sample of ideal gas from a compressed gas cylinder goes from 230atm to 1atm with a concurrent change of volume
the element helium is thouhght to remain a liquid at absolute zero solid helium can be made only by exerting a pressure
dentists might use a mixture of 40 n2o and 60 o2 as an initial anesthetic of nitrous oxidealthough exact proprtions may
a refrigerator is the reverse of an engine work is performed to remove heat from a system making it colder the
a popular web site states that a 130 pound person will burn 472 calhr bicycling moderate effort and 649 calhr rock
the atomic mass of copper is 6355 amu given thatb there are two naturally occuring isotopes of copper 63cu and 65cu the
a water sample with 35 ppm by mass of lead pb find the concentration of pb in mgl assuming fresh
the dimensionless henrys constant for tce at 25 degrees celsius is 04 a sealed glass vial is prepared that has an air
tetraphosphorus decaoxide reacts with water to form phosphoric acid a major industrial acid in the laboratory the oxide
what is the role played by rna and dna in genetic diseases and are there any breakthroughs in the treatment and
suppose that you developed a new temperature scale based upon the freezing and boiling point of ethylene glycol which
marble calcium carbonate reacts with hydrochloric acid solution to form calcium chloride solution water and carbon
predict the common charges of the ions of tin explain your reasoning in terms of electron configurationalso predict the
magnesium metal reacts with hcl solution liberating h2 gas and generating mg2 cations in solution a 2530-g sample of mg
at a temperature of 27315 k and pressure 1 atm many gases have approximate volume of 224 l what is speed of he
a mixture of miscible liquids containing 6 moles of a and 4 moles of b is distilled at 1 atm 760 mm hg of pressure the
glycine can be obtained in three forms differing in charge and conjugate ions a glycine hydrochloride b isoelectric
biological systems usually work at 65 efficiency how many ml of ethanol can you obtain from the fermentation of 065 lbs
explain why the statement no process is 100 efficient is not the best statement of the 2nd law of
when 0250 grams of a polymer were dissolved in 229 ml of benzene at 216 degrees c the osmotic pressure was found to be
when 96 g of an unknown non-electrolyte is dissolved in 500 g of carbon tetrachloride the boiling point increased to
calculate the boiling point in degrees c of a solution made by dissolving 320 g of naphthalene c10h8 in 811 g of