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determine the trend in sizes of the ions o2-n3- f- and also explain why does the trend exist also describe which of the molecules contains polar
calculate how many moles of nitrogen will be required to make 100 moles of nh3radiation of wavelength 633 nm in pulses is produced by a ruby laser
at a temperature of 25 degree celsius and a pressure of 757 mm hg the product gas h2 is collected over h2othen calculate the number of grams of h2
calculate the volume of a chromium atom in microliters if the volume of a single chromium atomcr 810e-24 cm3 determine how many coppercu atoms would
explain the relationship between common phases solid liquid and gas and vapor pressurewhat ion will attract a h2o molecule more strongly a be2 or al3
calculate what quantity of potassium chlorate that has molecular weight of 1225 needed to form 336 litres of oxygen express your answer in grams and
calculate the partial pressure in atmospheres of each gas assuming that the total pressure of the gases is 134atmrm atm and that their mole ratio is
a compound contain 6087 carbon 438 hydrogen and 3475 oxygen then determine its empirical formulacof2carbonyl fluoride decomposes intonbsp gaseous
compute the mass of h2o formed when 22 grams of propane are burnt if 44grams of propane are burnt in excess o2 72g of h2o are formedwhich is an equal
calculate how many atoms of potassium a three 300 mole sample of k2s would have calculate the current for diffusion-controlled electrolysis at t01
write downnbsp a lewis structure for sbcl5 and also explain does the the octet rule is obeyed by this molecule explain how many grams would 301 x10
there are some given substances likenbsp kohnabr crpo4 rbcl pboh2 lino3nbspnbsp you just need to find out which substance given will be to fall to
calculate the total pressure when 1 l of ch4 at stp and four litre of oxygen at stp was combined in anbsp container of 12 litre this combination is
if a solution of 01 m of glucose 6- phosphate is incubated with catalytic amount of phosphoglucomutsa the glucose 1 - phosphate is transformed to
compute the number ofnbsp moles of h2o will be formed from the reaction 751g benzeneconsidering the given equation 2ps 3i2s reg 2pi3s then calculate
how many grams of sodium chloride would be made if 507 g fecl2 were used up in the reaction fecl2 2naoh feoh2s 2nacl thenbsp 200 ml sample of a
as a camel carries 1362 kilograms of tricylglycerol in its hump then calculate the volume of metabolic water available to a camel through fatty acid
we have a solution andnbsp 2638 g sodium chloride in this solutionnbsp has a total volume of 1780 ml amp density 08495 gmlnbsp then calculate
1 if in annbsp solution of aqueous sulfuric acid h2so4 hydronium ion concentration is 4 times the concentration of sulfate ion then determine the
find out which of the given is a saturated hydrocarbon a ch2ch-chch2 b ch3-ch2-cch cch3-ch2-ch2-ch3 dch3-chch-ch3 also justify your answer with
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