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1a 400 l vessel contains 240 moles h2o 100 mole co2 240 moles of co and 100 mole h2 at equilibrium determine how many moles of carbon dioxide
it is noted that at some conditions consists atmospheric pressure 10atm and temperature 266c a container is completely full then you just need to
1i need to prepare a solution of 02 l 04 m then determine how many cm3 of a solution of h2so4 sulfuric acid 800 density 1727 gml should be diluted
1the aquous solution of sodium bromide has the molality of 250m and the molar mass was found 1029 gmol then compute the weight percent of sodium
1isobutene is formed by following radical polymerization process that follows chain transfer to monomer is the predominant chain breaking reaction
1a pepsin of 3 grams get dissolved in water and formed a solution of 1000 ml it was found that the osmotic pressure was 0213 atm at 25 degree
1 assume that the specific heat of the waterh2o 100 cavg xc then calculate how many calories of heat are needed to increases the temperature of 550
assume that an escape velocity is 50 ms for an asteroid x but we also have asteroid y that has twice the radius and twice the mass as compared to
1calculate the final pressure in atm while using a sample of helium gas that was initially at 785 torr 370degc and 100 l was heated to 680degc while
1it is noted that pure ethanol ch3ch2oh has density 080625 gcmsup3 at 00deg c and density of 078945 gcm sup3 at 200 degc calculate the difference in
1if the methane ch4 contained in 200 l of a saturated solution at temperature of 25 degree celsius was extracted and placed under stp conditions
q a boy has a newly minted penny that is composed of zinc and copper in actual composition it contains 27 percent of cu determine the density of
1it is noted that an iron nail was with the 12gms mass absorbs heat of 15 joule you need to calculate the final temperature if initially this iron
there are some given compounds ch3br rbf ch3oh co2arrange all these compounds in order of increasing boiling points and also give explanation for
1write down the electron configuration of the b ion using the noble gas core notation2what you will expect for the molecular formula c7h6o2 benzoic
1given that nickelii perchlorate that is a polyatomic ion with the formula clo41- dissolving in water first of all write down the dissolution
1determine what is the activation energy of ch3cooch32considering the given chemical equation as caco3s-caosco2g calculate kc for the reversible
1explain what it means that the atomic mass of naturally occurring ag is a mixture of its two isotopes forms is 107868 u2consider the given chemical
1 calculate how many n atoms are there in the empirical formula for this given compound when the reported analysis of this compound observed that
compute the thermal-equilibrium values of hole and electron concentrations while considering a homogeneous gallium arsenide semiconductor at the
1girl a dilutes 10 ml stock solution to a final volume of 20 ml girl b dilutes 10 ml stock solution to a final volume of 40 ml girl c dilutes 10 ml
a naturally occurring element a exists in three forms of its isotopes a-28 27977 amu 9223 abundance a-29 28976 amu 467 abundance and a-30 29974 amu
just find out what mass of the nahco3 reacts with the vitamin c when the tablet dissolves in h2o it fizzes because the reason for this is the cho3
q1determine the mass of a sample of hg that occupies a volume of 475ml if the specific gravity of mercury 1363 q2determine what is element y if you
1isomerization of cyclopropane to propene is yielding the activation energy for this process is 274 kjmol by what factor the factor is the ratio of