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one mole of h20g at 100 atm and 100 degrees c occupies a volume of 306l when one mole of h20g is condensed to 1 mole of
the standard enthalpy change for the dissolution of ammonium nitrate is shown below if 82 grams of solid ammonium
methanol ch3ohis used as fuel in race cars a write a balanced equation for the combustion of liquid methanol in air b
what affects the physical state of a substance choose all that apply choose at least one answer a ionic composition b
nickel has a face-centered cubic unit cell the density of nickel is 684 gcm3 calculate a value for the edge length of
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so which atoms are electron donating and electron withdrawing and what does electron withdrawing have on the stability
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a gas misture containing oxygen nitrogen and helium is trapped inside a vessel and exerts a total pressure of 925 torr
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the molar heat capacity of silver is 2535jmol c how much energy would it take to raise the temperature of 970g of
for each of the following reactions indicate which substance is oxidized and reduced which substance is the oxidizing
the following percentages of sulfate were found in a sample 3054 3034 3052 and 3105 find the mean the standard
the born-haber cycle is a series of steps that represent the formation of an ionic compound from a metal and a nonmetal
many students find that the absorbance of the dns reaction with diet sprite is lower than the absorbance of water blank
the ionization energy of vanadium from the ground state is 6502 kjmol assume that the transition in 3 is from the
a 0411-g sample of potassium hydrogen phthalate khc8h4o4 molar mass20444 gmol is dissolved with 50 ml of deionized
a student completes a titration of an unknown diprotic acid in this experiment 079 g of the acid is dissolved in 2500
when aqueous solutions of cadmium sulfate and lithium hydroxide are mixed white solid cadmium hydroxide is formed in a
a cylinder with a moveable piston contains 0533 of gas and has a volume of 268 what will its volume be if an additional
how many calories must be added to a 250 g sample of ice at -500 celcius to convert it to steam at 103
calibration plots for analytes a and b yield in a different slopes a and v accordingly slope a is grather than b what
a single lewis structure for the phosphate ion assuming that the phosphorus atom can expand its octet such that the