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three gases 800 g of methane ch4 180 g of ethane c2h6 and an unknown amount of propanec3h8 were added to the same 100-
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1 naturally occurring gallium consists of two isotopes one of those is 71ga with an isotopic mass of 709247050 amu and
if a fast step precedes a slow step in a twio step mechanism how is the fast step affected how is this effect used to
determine the enthalpy change per mole for dissolution of ammonium nitrate in water if 125 of the salt is dissolved in
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how many grams of calcium hydroxide are obtained in the reaction of 600 gms of calcium with
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here it is analysis of several samples of a material containing only iron and oxygen gave the following results could
1 take 7 test tubes from the glassware shelf and place them on the workbench2 add 1g of the seven metals on the
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which has more grams of nacl a 2 molar solution in 2 liters or a 3 molar solution in 15
a spectrophotometer was calibrated with a 52times10-4 m in cu cu-neocuproine solution this calibration was carried out