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the first ionization energies of as and se are 947 and 941kjmol respectively explain these values in terms of their
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from the following list of compounds figure out which one exhibits the pattern of the mz values shown41 43 57 87 101
a 500 l sample of air is collected at 500 degree f and 500 atm what is the volume of
1a a 1000g sample of steel is dissolved in acid and the manganese oxidized to permanganate water is added until the
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a student carries out a reaction of mg with hcl at 20c and collects 21 cm3 h2 gas measured at a pressure of 751 torr
1 enough of a monoprotic acid is dissolved in water to produce a 00126 m solution the ph of the resulting solution is
4 liters of an ideal gas at 200 k is heated to 400 k what is the gass new volume assuming the number of moles and
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al possesses a specific heat of 090 j gc if 10 grams of al are heated from 30 to 40 degrees c and subsequently dropped
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vinegar must contain at least 4 acetic acid 067m a 50ml sample of commercial vinegar required 335ml of 0100m naoh to