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a 500ml samle of a 100m solution of mgso4 is mixed with 500ml of 200m naoh in a calorimeter the temp of both solutions
a 70 g sample of a hydrocarbon a molecule that has only hydrogen and carbon is subject to combustion analysis the mass
a chemical reaction produces co2g if 44 g is produced at 10 atm and 25degc what volume will the gas occupy assume that
1 please describe what was unique about samuel kistlers experiments in 1931 that led to the development of aerogels and
a molecule with see-saw molecular geometry has the molecular formula xo2f2 which of the elements below could be xa teb
1 what problem occurs if a student turns off the aspirator before detaching the tubing at a connecting point2 what
1 why use more than one mobile phase for column chromatography in the experiment k22nbsphow do fumaric acid and maleic
1 what is the general rule for predicting solubility2 why is it better to do two smaller extractions with methylene
if you used 100g calcium chloride cacl2 in an experiment how many moles cacl2 did you use mw ca 40 mw cl 35 show all
cyclobutadiene 1 can be hydrogenated to give cyclobutane 2 similarly cyclobutene 3 can also be hydrogenated to give
designing a synthesis of alcoholnbsp1nbsppresents a challenge why what is this challengea forming a c-c bond two
consider thenbspretrosyntheticnbspanalysis for the target aldehyde shown attachednbspif the starting materials are
if you are buying fertilizer for your lawn should it be high or low in n p andor k do not give specific numbers give a
for this case assignment you will look more closely at important reactions that drive human physiology and the
what is the main use for the compound ccl2ccl2 what is the systematic name for this compound what type of bonding does
in the first part of this lab you prepared a nabr solution that is approximately 02 m considering that molarity is
a gas of unknown molecular mass was allowed to effuse through a small opening under constant-pressure conditions it
1nbspcalculate the frequency in s-1 of light with a wavelength of 650nmnbsp2nbsphow much energy is released from a
suppose you take 245 g of glucose and dissolve it using 0200 kg of water what would be the mass percent of glucose in
oxidation and reductionnow read the background for part ii before proceeding to the assignmentchemistry vnbsp oxidation
in the production of ammonia via the haber process nitrogen gas is combined with hydrogen gas according to the
calculate the ph for each of the following points in the titration of 500 ml of a 15 m h3po3aq with 15 m kohaqpka1nbsp
what is the difference in density of air when the atmospheric pressure is 1 atm between freezing 0c and what we
now suppose instead that 47318 g of avolatile soluteis dissolved in 4800 g of waterthis solute also does not react with