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problem- the sensitivity of a spectrophotometer allows detection of 1 percent of one colored form of an indicator for
problem- crystalline kcl has s83jmol k and crystalline cao has s 55 jmol k what accounts for the larger disorder in the
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problem- calculate the weight of benzene codistilled with each gram of water and the percentage composition of the
problem- magnesium oxide can be made by heating magnesium metal in the presence of the oxygen the balanced equation for
problem- the octane rating of gasoline is a relationship of the burning efficiency of the given gasoline mixture to the
problem- which of the following statements are incorrect 1 a liquid boils when its vapor pressure is equal to the
problem- aluminum has a density of 2699 gcm3 the atoms are packed in a face-centered cubic crystal lattice what is the
problem- benzene c6h6 is an organic liquid that freezes at 55 c how much energy as heat is evolved when 155 g of
problem- diethyl ether has an enthalpy of vaporization of 290 kjmol the compound has a vapor pressure of 524 mm hg at
problem- an element crystallizes in a face-centered cubic lattice if the length of an edge of the unit cell is 0408 nm
problem- compute the ksp for agi if it 100 dissociated in water and if its solubility is equal to 19 x 10-5 mi have
problem- what is the concentration of h in 000065 m hno3 what is the ph of the solution what is the oh- concentration
problem- 1 a particular radioactive isotope has a half life of 270 weeks what fraction of the original sample is left
problem- a modification on a chemical compound results in the shifting of its pka value from 20 to 40 compared to the
problem- a vessel contains 100 lb moles of hydrocrabon gas calculate the standard cubic feet of gas in the vesseli am
problem- glycerol c3h8o3 is a substance used extensively in the manufacture of cosmetics foodstuffs antifreeze and