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a nugget of pure gold of 490 grams absorbed heat of 270 joules determine the final temperature of the au if the initial temperature 220degc specific
considering the cell alal3 100mpb2 100mpb compute the cell potentiale after the reaction has operated long enough for the al3 to have changed by 60
if the reaction reaches 900 of completion 900 of the limiting reactant is consumed determine the partial pressures of each of the reactants ch4 o2 no
a nugget of pure gold of 480 grams absorbed heat of 283 joules if the temperature was 230degc initially then determine what was the final temperature
explain how do you compute the minimum volume of h2owater required to dissolve nacl sodium chloride of 500 grams in h2o water at the temperature of
determine how many grams of oxygeno2 would be used when 1082 litres nitric oxide nog is formed at the temperature of 1982 degree celsius and pressure
a gaseous mixture of sulfur dioxide and nitric oxide has a density 1782 gl at the temperature of 1264 degree celsius and pressure of 6707 mm hg
compute the pressure in atmospheres using the van der waals equation exerted by waterh2o of 2393 grams at 3611 degree celsius in a 100 litre
a mixture of cds and cos is present in a sample the amount of cds was determined by reacting 8767 grams nbspof the sample with an excess of
determine the pressure inside a container of a gas connected to an open-end manometer filled with ccl4 has the density 1594 gcm3 when the level in
using a sample of naphthalene c10h8 of 245 grams nbspis contaminated with a material noncombustible nbspheat of combustion of naphthalene -245 x 103
a balloon is filled with hehelium of 5000ml nbspat 27 0c and 755 mm hg in the atmosphere whennbsp the balloon rises nbspthe drop in the pressure and
considering the given nbspreactions nbspas cocl2g 4nh3g conh22s 2nh4cls with gdeg -3320 kj nh3g hclg nh4cls with gdeg -9196 kj andnbsp cocl2g
compute the ph for each of the given cases in the titration of 500 ml of 0210 m hypochlorous acidhcloaq with 0210 m potassium hydroxide kohaq
using a sample of 21004 grams of aqueous waste leaving a fertilizer manufacturer has nh3 ammonia is diluted with h2o water of 76730 grams an aliquot
when some large nuclear plants run at full capacity they produce about 1900 mw of electrical power at this rate what mass of 235u kg would it consume
determine the ph of 025 m hno2 nitrous acid solution it is given that ka45 x 10-4determine the molecular formula of the compound with molar mass
using a solution contains the ions pb2 ag and ni2 dilute solutions of sodium chloridenacl sodium sulfatena2so4 and sodium sulfide na2s are available
how much heat in is evolved or absorbed in the reaction of 228 grams of sodium na with water h2o express your answer in kilocaloriesdetermine how
a sample of vinegar of 50 ml and density of sample 106 gml was diluted to 500 millilitres titration of a 50 ml of this solution needed 425 ml of
160 m solution780 ml is diluted to a volume of 278 ml and a 139-ml portion of that solution is diluted using 175 ml of nbsph2o water determine the
determine how much pv work is done if 800 g of c2h4 and 125 grams of hydro chloric acid are permissible to react at atmospheric pressure and the
determine the molarity of a solution formed by dissolving 1579 grams of cacl2 calcium chloride in 200grams of h2o
determine the mechanism for the synthesis of p-nitroacetanilide from acetanilide and hno3 nitric acid and h2so4 sulfuric acidinitial with a 30 ww
select the true statements out of these given statements as 1the formal charge on the p atom is zero 2it is best described with three resonance