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find ratio of the atomic mass of silicon to hydrogen if every 100g of sih4 contains 8745g of si and 1255g of hsome hazardous chemicals stored in
write down the chemical equations when benzene reacts with water and balanced it also explain what happens when this reaction takes placecompute the
using a solution of 01 m of a certain cation form a precipitate with 01 m solutions of all of these anionsnbsp co32- oh-so42- now determine which
if a room has a volume of 127m3 then calculate its volume a in km3 b in dm3 c in cm3a suspension of an infant ibuprofennbsp is having 100 mg50ml
determine which of the given alcohols 2-methylhexan-3-ol 3-methylpentan-3-ol 33-dimethylpentan-2-ol 2-methyl-2-phenylpropan-1-ol 3-methylpentan-3-ol
what volume of hydrochloric acid solution of 025 m must be diluted to prepare 100 l of 0040 m hcla 30-l flask containsnbsp 10 mol nocl 24 mol of cl2
when you heated the hydrated compound this process starts slowly at first find out the reason behind thiscompute k for this acid if a 0020 m solution
using a sample of 3500 ml of hcl solution after titrating it with a 01477 m naoh solution it is observed that a volume of 2915 ml of koh was neede to
a incandescent light-bulb of 800-w produces approx sixty percent of its energy as visible light calculate how many such photons are emitted per
1 as we know a homes used hot water tank and every hot water tank is an anodecalled a dip tube with the time this erode away in to the h2o now
one-dimensional infinite potential well has a particle in the state n1 determine the probability of particle would be located in the range 05anbsp
1 determine the volume of 64410-2 m adenosine triphosphate atp that is having 168 mol of adenosine triphosphate express your answers in ml2 find out
can you find out the name of the hydrate and its chemical formula if 500 g of fecl3 xh20 are heated 2 grams of water are driven offfind out how many
the cu is drawn into wire whose diameter 2r is 850mm if the density of copper is 894 gcm 3 then determine how many feet of cu can be obtained from
determine the ion notation for an atom withnbsp 18 electrons and 20 protonsenter the expression 14 7 nalpha where alpha is the lowercase greek
1 compute the henrys law constant of air if the solubility of air in h2o is approximately 21 x 10-3 m at the temperature of 20 degrees celsius and
10-ml volumetric flask an empty weighs 10263 gramsnbsp the mass is 20211 grams after filling to the mark with distilled water at the temperature of
a student observed after an experimentnbsp that a gas sample of 250-mlnbsp has a mass of 0243 g atnbsp a temperature of 28 degree celsius and a
as per the ideal gas law a sample 1075 mol of n2 in a 1430 l container at temperature of 2676 kelvin must exert a 1651 atm of pressure calculated by
using a sample 1021 mol of o2 is maintained in a 08129 l container at the temperature of 3003 kelvin calculated what is the pressure in atm using the
solve the given problem while considering that the rate coefficients for initiator dissociation propagation and termination can be replaced by the
cunaturally occurring consists of 2 isotopes 63cu and 65cu and has a relative atomic mass ar of 6355 considering this statement define the term used
if one canister backpackers often use canisters of white gas to fuel a cooking stoves burner having 145 litre of white gas and density of the gas is
1 we have a solution that is prepared when 525 grams of pbno32nbsp leadii nitrate dissolved in 1250 liters ofnbsp water then determine the molarity
1 consider the vector field fx y xyix2j f1i f2j let c be the rectangle with vertices 0 0 3 0 3 1 and 0 1 let t denote the unit tangent vector to c