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if 3278 ml of sodium hydroxide solution is needed to neutralize 2000 ml of 02500 m of h2so4aq determine the concentration of the sodium hydroxide
determinenbsp the pressure in atm inside the can if a metal can of 100 qt contains 0150 grams of helium at a temperature of 20 degrees celsius also
determine how many mg of a 298 mg sample remains unreacted after twenty three days if 32p decompose by a first-order mechanism half-life 143
determine the mass of this substance should evaporate in order to freeze 190 grams of water at 25 degree celsius initially it is given that the heat
it was observed that electrons were released with a kinetic energyke of 350times 10-19 joules when a metal was exposed to light at 309times 1015 s-1
a -gt b 2c this is the elementary gas-phase reaction that is carried out isothermally in a flow reactor without any pressure drop specific reaction
considering nbspthe equilibriuma g -lt-gt 2 b g 3 c g at nbspthe temperature of 25 degree celsius nbspdetermine gr for this reaction when a is
a vessel of 1000 l is filled with 1000 mole of h2 2000 moles of n2 and 2000 moles of ammonia nbspconcentration of h2 isnbsp observed 215 molesl when
molar mass of anbsp solvent is 682 gmol and a normal freezing point 319 oc the freezing point depression constant k f for this solvent 339 ocm
3 enclosed flasks with different volumes have 50 ml of h20 at the temperature of forty degree celsius volume of flask 1 flask 2 flask 3 is 500 ml 100
a nonelectrolyte compound nbspof 338 g is dissolved in 1600 grams of a solvent that has a normal freezing point 277 oc the resulting solution
aqueous solution of 0110 m of a weak acid ha is 180 ionized determine at what temperature does this solutionaq freeze ifnbsp kf of h2o 186 o
an aqueous solution formed by dissolving 162 grams of anhydrous aluminium chloride in 500 grams of h2o has a freezing point -174 degc compute the
nbspit is given that the molar mass of a solvent 649 gmol normal boiling point 1396 oc the boiling point elevation constant k b for this solvent
exactly solution of sodium carbonate of 500ml nbspwas titrated with 658ml of 300m hydrochloric acid determine what percent by weight of sodium
a solution formed by dissolving 1666 grams of common table sugar in 6862 ml of h2o compute the vapor pressure at 25 degcnbsp if it is given that
determine the specific heat of anbsp metal object of 19 grams that is heated to 96 degrees celsiusnbsp and added to a calorimeter containing 75 grams
constant ratenbsp is 320times10-4 ms for a zero-order reaction concentration has dropped to 900times10-2 mnbsp after 600 seconds then determine the
nbspconsidering the given equation where keq 0016 2hig harr h2g i2gnbspa container contains 060 m hydrogen iodide 0038 m hydrogen and 015 m iodine
certain anesthetic contains nbspcho by 649 135 216 nbspby mass determine the molecular formula of the compound at nbspthe temperature of 120 degrees
the system is at equilibrium co2g h2g h2og cog at some temperaturea vessel of 400 l contains 100 mole carbon dioxide 100 mole hydrogen 240 moles
determine the mass of a mixture of 133x1024 formula units of sodium sulfate 1500 moles of water and 377g of silver chloridethe density of he gas at
2 hcli agraveis for this given reaction h2 icl nbspyou just need to balance the equation and write the terms for the rate of reaction for each
it was observed that initially a volume of 125 litres of is initially at room temperature of twenty two degree celsisu a chilled steel rod at the
a solution of na2co3 of 50ml was titrated with 658ml of 300m hydrochloric acid determine what by weight of sodium carbonate does it contain if the