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consider the reaction2cognbspnbspo2g-------gt2co2gusing standard thermodynamic data at 298k calculate the change
an important skill to learn is how to draw orbitals draw the 4dyz orbital on the yz plane make sure to include shades
a 311nbspgnbspwafer of pure gold initially at 693nbspcnbspis submerged into 639nbspgnbspof water at 272nbspcnbspin an
based on predicted enthalpic and entropic changes indicate whether each of the following will be spontaneous at all
what chemical reactions are involved in a firework display use gas laws to help explainwhat makes the chemical reaction
a buffer was made with 100ml of 0150 m hf and 100ml of 00120 m nafa calculate ph of this buffer ka of hf is 35 x 10-4b
assume that the iron in iron ore a mixture of iron and other substances is in the form of fe3nbspthe iron content of
consider the following reaction equilibrium reaction assumed2nh3g --------gt n2g 3 h2gdelta g h2 0 delta g -164delta g
a 2l container has 1 l water and 1 l air headspace the headspace has a total pressure of 1 atm the temperature of both
if 0001 m of co2nbspis introduced into a closed container which is full of pure water and has no headspace for air what
it takes 520j to raise the temperature of an 830g piece of unknown metal from 130 c to 250 c what is the specific heat
predict the sign positive negative or zerodelta s for the reaction ch4g 2o2 -------gt 2 h2og co2gdelta g delta s and
what is the temperature innbspdegc of annbsp117nbspl sample of carbon monoxide co atnbsp747nbsptorr if it
calculate the number of moles of nitrogen gas n2 that are needed to inflate a 67-l driver-side air bag at standard
explain why le chateliers principle is equivalent to saying that a system at chemical equilibrium will be stable
a buffer consisting ofnbsph2po41-nbspandnbsphpo42- helps control thenbspphnbspof physiological fluids many carbonated
a company is planning to transport oxygen chlorine and phosphorous by train to another city identify the labels marking
how many moles of sodium hypobromitenbspnabro should be added to 100nbspl of 50times10-2nbspmnbsphypobromous
write the molecular equation complete ionic equation and the net ionic equation for a reaction between silver nitrate
for the reaction 2so2gnbspnbspo2g----gt2so3g delta hdeg nbsp-198nbspkj andnbspdelta sdeg nbsp-188nbspjk gdeg would be
what is the time frame for moving to icd-11 do you think this will be delayed as was icd-10 do you think we should move
write the molecular equation complete ionic equation and the net equation for a reaction between silver nitrate and
calculate the heat of combustion triangle hrxnnbsp0 for the reaction of nh3nbspwith the oxygen as per the following
for a given sample of c2h5oh g enthalpy change during the reaction is 821 kj how many liters of co2nbspgas are produced
an investment which has an expected return of 182 is expected to make annual cash flows foreverthe first annual cash