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the suspended solid content of a 1-litre river water sample is 20 mglitre assume that material all organic carbon and that koc the organic
considering the given equation as ch4g2co gco2g2h2og when methane of 150 moles are reacted detremine the volume of co2 produced at the temperature
a physiological saline solution contains 169meql each of na and cl- determine how many moles of each na and cl- are in 100l of the saline
determine the mass of a300 ml of the liquid propylene glycol a moisturizing agent for foods which has a density of 1036 gml at 25oc express your
sample of neon has a volume of 150 litres initially at 16 degrees celsius when the volume of the sample is charged at constant pressure and volume
when sodium hydroxide naoh of 400 g of was dissolved in water of 15000 grams a value for deltat of 1000 degree celsius was obtained then compute the
if you have water of 330 ml at 25 degrees and then combine water of 130 ml at 95 degrees celsius temperature then determine the final temperature of
an aqueous solution contains 106 percent sodium chloride nacl by mass determine mass of water is contained in 28 litres of the vapor in this solution
a calorimeter has water of 220 grams at the temperature of fifteen degree celsisu when 140 grams of a substance with a molar mass 560 is combined it
a solution of 020 m of magnesium sulphate mgso4 has an observed osmotic pressure 76 atm at the temperature of twenty five degree celsius determine
given that the mass ratio of na sodium to f fluorine in sodium fluoridenaf is 1211 determine how much fluorine was formed if a sample of nafsodium
using a sample that is consisting of 10 mol of a van der walls is compressed from 200dm3 to100 dm3 at the temperature 300k in the process 202 kilo
compute the change in entropy of the universe if water vapor of one mol condenses to liquid water at the temperature of 100degc in a thin flask in an
when steam condenses to h2olliquid water heat of 226kj is released per gram the heat from 168 grams of steam is used to heat a room containing 644 x
considering the given equation ch4 2o2 co2 2h2o in which methane reacts with oxygen to form carbon dioxide and water as shown determine how much
the vinegar that are generally sold in the grocery stores it is described as 5 vv ch3cooh acetic aciddetermine the molarity of this solution if
a mixture of hydrogen gas of 80 mol and oxygen gas of 40 mol is placed in a sealed evacuated container made of a perfect insulating material at
calculate the vapor pressure of a solution of glycerol of 265ml in 380x102ml of h2o at the normal boiling point of h2o glycerol density is
a 500 g sample of nh42co3 is placed in a closed evacuated flask of 300 l and heated to 400 degrees celsius it produce ammonia water and carbon
considering the given thermochemical equation 2nog o2g rarr 2no2g in which hdeg is given -1144 kj then determine how much heat is released at
if 150 ml of 150 m perchloric acid hclo4 is combined with 500 ml of 0125 m barium hydroxidebaoh2 then compute the resulting pha student placed
a solution of copper sulphate cuso4 was electrolyzed between copper electrodes copper of 64 grams was deposited on the cathode determine the value of
using a sample as a mixture of cucl2 agno3and fecl3 when a sample of 10000-g of this cucl2 agno3and fecl3 mixture is dissolved in h2oand reacted with
a student has sample of hno3 of 340 ml at 25 degrees celsius and add water of 110 ml at 95 degrees celsius then determine the final temperature of
using a sample of gas having 147 mol at the temperature of twenty five degree celsisu exerts a pressure of 398 torr and some gas is combined to the