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use daltons atomic theory to explain what is happening to the carbon atoms when a diamond is burned and to oxygen and
a find the distance to a sun-like star l38x1026watts whose apparent brightness at earth is 10 x10-10wattm2b you measure
which of the following yields an acidic solution when dissolved in water more than one answer all numbers are
for a cell that could be used to study the following redox reaction3 fe2nbspaqnbspnbspfe s 2 fe3nbspaqanswer the
if you look at the periodic table the light usually have close to a 11 ratio of protons to neutrons starting with
electrolytic reactions like other chemical reactions are not 100 efficientnbspin a copper purification apparatus
2 kclo3nbsprarr 2 kcl 3 o2according to this balanced chemical equation how many moles of oxygen gas are produced from
consider the following speciesnbspno2nbsp nonbsp no3-nbsp no2-nbsp nh2ohnbspwhen ranking the above according to
sketch an fcc unit cell indicate the positions and write down the coordinates of all of the tetrahedral and octahedral
determine the radius of a guest atom r which can just fit into both the tetrahedral and octahedral interstices in the
the concentration of a solute is 5 mm molecular weight is 300 gmol and a cuvett pass length12 cm is used to obtain an
part 1 what is the ph of a 018 m solution of methy- lammonium nitrate ch3nh3no3 kb for methylamine ch3nh2 is 50 times
a 05210 -g sample of an unknown monoprotic acid was titrated with 998times10-2 m naoh the equivalence point of the
what is the structure of the dimer of benzoic acid in toluene why does it not form in water explain why is
in a gas mixture the partial pressures are argon 415 torr neon 75 torr and nitrogen 125 torrwhat is the pressure atm
for the reaction given below identify the anode and describe what happens to the electrode as the reaction
for the reaction given which half reaction occurs at the cathodenio2nbsp cd h2o rarr cdoh2nbsp nioh2nbsp 2 oh-h2o rarr
what is your favorite way to eat chocolate can you describe specifically what you enjoy about eating it what physical
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a gas sample exerts pressure of 235 atm at -15oc calculate the pressure exerted by this sample when the tempertature
in the reaction between hydrochloric acid and magnesium what would be the two half
how do you find the molecular equation the full ionic equation and the net ionic equation for the five types of
which basic arrangment would best accommodate two electron domains in the valence shell of a covalently bonded
preparenbspwritten answers to the following exercises1 write the electronic configurations for the following
i what volume of air at 098 atm can be compressed into an 111 l scuba air tank if the tank is pressurized to 204 atmii