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the entropy of hydration becomes additional negative from na to mg2 to al3 though the coordination number is probably 6
a laboratory stockroom has a stock solution of 90 mv sulfuric acid h2so4 aq if a technician dilutes 50ml of the stock
explain how could you separate barium sulfate baso4 from nh42co3explain how could you separate zinc chloride zncl2 from
the ideal gas law explains the relationship among the pressure p volume v number of moles n and absolute temperature t
if a stock concentration of 000099 m in 05 h2so4 of potassium dichromate is given after that dilute 5ml of potassium
1 explain what is the ph of a solution prepared by dissolving 41g of hcl in water to make 455ml of hcl solution2 a
explain solids liquids and gases in terms of how they fill a container utilize your descriptions to identify the
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a chemical engineer is trying to raise output of a chemical plant she is considering utilizing an expensive catalyst or
a certain element has three isotopes the isotopes masses amu and abundances are 15937 3060 16279 1579 and 163925361
an organic acid is an significant chemical used in the manufacture of a couple classes of polymers it contain only c h
state the mechanism showing electron flow with arrows for the acid-catalyzed hydrolysis of methyl benzoate to benzoic
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explain what is the theoretical yield of chromium that can be produced by the reaction of 400 g of cr2o3 with 800 g of
the percent composition by mass of a compound is 760 c 128 h and 112 o the molar mass of this compound is 2845 gmol
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a gas sample has a volume of 541ml when at 65 degree c and 760 mm hg thus what is the volume in milliliters will it
in acidic solution fe3 a weak oxidizing agent can oxidize iodide ion to iodine i2 by conversion to fe2 without
how could you separate barium sulfatebaso4from nh42co3 how could you separate zinc chloride zncl2 from zinc sulfidezns
1 a 0441g sample of gas has a volume of 118ml at 614c and 755mmhg what is the molar mass of this gas express your
the ideal gas law describes the relationship among the pressure p volume v number of moles n and absolute temperature
if 347ml of 0255m koh is required to completely neutralize 290ml of a hc2h3o2 solution what is the molarity of the
if you are given a stock concentration of 000099 m in 05 h2so4 of potassium dichromate then dilute 5 ml of potassium
1what is the ph of a solution prepared by dissolving 41g of hcl in water to make 455ml of hcl solution 2 a volume of