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explain in the laboratory a student combines 255ml of a 0203 m sodium nitrate solution with 243ml of 0375 m manganese
the solubility of kno3 is 155g per 100g of water at 75 degree celsius and 380 g at 25 degree celsius explain what mass
a tiny speck 83 x 10-7 mol of americium-241 is utilized in smoke detectors explain how many atoms of americium-241 are
1 consider treating polyenes ethylene butadiene hexatriene etc with the one-dimensional particle-in-the-box model what
it takes 500j to raise the temperature of a 120g piece of unknown metal from 130 c to 240 c explain what is the
a wet gas reservoir has a specific gravity of 1292 a h2s concentration of 209 mole and co2 concentration of 447 mole
1 explain the method you would use to separate a mixture of water boiling point100 can be separated from ethanolboiling
a value off the buret with water inside my class results are 1121 1123 1123 1123 1123 1124 1124 1125 1125 1125 1125
in the manufacturing of computer chips cylinders of silicon are cut into thin wafers that are 300 inches in diameter
explain two aqueous solutions of agno3 and nacl are mixed which of the subsequent lists best represents the resulting
you will titrate your weak acid unknowns with a solution of naoh of about 010 moll the lowest molecular weight on the
the first-order decomposition of n2o5 at 328 k has a rate constant of 170 10-3 s-1 if the initial concentration of n2o5
at a certain temperature the equilibrium constant for the subsequent chemical equation is 330 at this temperature
a diatomic gas x2 reacts with another diatomic gas y2 to form gaseous xy3 500 g of x2 contains 107 x 1023 molecules of
state a 700- to 1050-word paper that explains an overview of cam and its categories of treatments comprise the
chemical tests of four metals a b c d show the following results a only b and c reacts with 05 m hcl to give h2 gas b
1 organize the spectrochemical series of vo22 find out the name oxidatinon stated-electron configuration structure and
a student finds out the melting point of a substance to be 852 degrees celsius if accepted value is 537 degrees celsius
explain which of the following is the balanced net ionic equation for the reaction between zinc ii bromide and silver i
explain what is the balanced net ionic equation for the reaction between zinc ii bromide and silver i
if 24ml of 66 m h2so4 was spilled define what is the minimum mass of nahco3 that must be added to the spill to
for combustion of hydrogen gas the standard enthalpy of reaction is -286 kjmol as well as the standard gibbs free
the x-ray radiation falls in the wavelength region of 100e-11 to 100e-8 meters explain what is the energy of x-ray
explain what are the potential sources of error for determining the molar extinction coefficient for methylene blue
explain how do you calculate the molarity of kmno4 after it has been titrated by 0505 m cooh2 the only information you