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term paper and oral presentationspick any area related to chemistry that interests you suggested topics include but are
three portions of the same liquid are mixed in a container that prevents the exchange of heat with the environment
a ruler is accurate when the temperature is 248 degc when the temperature drops to -121 degc the ruler shrinks and no
dimensional analysisthe language of science deals to a great degree in the description of the physical world in terms
draw lewis structures showing all possible equivalent resonance forms for thenbsphydrogen peroxidenbspmolecule
if 100 ml of 160 m na2so4nbspis added to 200 ml of 240 m nacl what is the concentration of nanbspions in the final
calculate the standard change in gibbs free energy deltagdegrxn for the following reaction at 250 degc standard gibbs
consider a general reaction enzymeaaq double arrow baq1 the deltagdeg of the reaction is -3430 kj middotmol-1 calculate
a sample of methane gas ch4nbspwas collected over water at a temperature of 300 degrees celsiusnbspthe total pressure
a we will make about 350 ml of approximately 02 m naohaq solution by diluting 6 m naohaq calculate the approximate
what is the empirical formula of a potassium silicate in which the silicate tetrahedral share a two 0 atoms and form a
estimate the relative density compared to pure copper of coinage cupronickel an alloy in which 25 of the copper atoms
can you show me how to work the following answer out the question is what pressure would the propane gas sample have
phosphine ph3 a reactive and poisonous compound reacts with oxygen as follows4ph3g 8o2g rarr p4o10s 6h2ogif 92 moles
the estimated size for an average human gene is about 28000 base pairs so how many single nucleotide differences would
what is the ph of a solution that is 0400 m in hcl and also 0530 m in hc2h3o2 what is the concentration of acetate ion
what is the ph of a solution prepared by mixing 900 ml of 0100 m hc2h3o2 with 145 ml of 0580 m
questiona solution was made by dissolving 0746 g koh in 100 ml final volume note for the purpose of significant figures
a sodium hydroxide solution is prepared by dissolving 40 g naoh in 500 l of solution what is the molar concentration of
1 what mass of cui will dissolve in 100 liter of water if ksp11x10-122 what mass of mgf2 will dissolve in 125 ml of
if a machine does 48 x 103 kj of work after an input of 731 x 103 kj of heat what is the change in internal energy for
a specimine of steel with a cross section of 25 inch diameter is pulled intension with a force of 9000 lbs resulting in
draw lewis structures for the nitrate ion no3- if there are equivalent resonance structures draw all of
1 a chemistry 1411 student mixed 1488 grams of zn with 1503 grams of s8 thenbspunbalanced equationnbspfor this reaction
the data density of a blu-ray disk using a 405-nm laser is 15 times 107 bits mm-2 disks have an outside diameter of 120