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a student takes 005 moles of hcl and reacts it with 005 moles of sodium hydroxide in 100 g of water solution in a
find delta edeg for the reaction below if the process is carried out at a constant pressure of 100 atm and at 25 c and
the mass of a hydrated caso4bull x h2o sample is 308 g after heated gently for 20 min the mass of the sample reduces to
vitamin c contains 4092 c 458 h and 545 o by mass what is the empirical formula of vitamin
nitric acid production starts from ammonia the process starts with the oxidation of ammonia to nitrogen dioxidenh3 g
what is the molarity of fecl3 in a solution prepared by dissolving 100 g of fecl3 in enough water to make 275 ml of
a balloon is inflated from 00100 l to 0500 l against an external pressure of 1000 atm how much work is done in joules
a 655 g sample of aniline c6h5nh2 molar mass 9313 gmol was combusted in a bomb calorimeter if the temperature rose by
according to the following reaction how much energy is required to decompose 550 kg of fe3o4 the molar mass of fe3o4 is
determine the volume of h2s at 375 k and 120 atm needed to produce 550 g of s assume that there is excess so2 present2
balance the chemical equation given below and calculate the volume of nitrogen monoxide gas produced when 800 g of
14 g of nitrogen is reacted with 60 g of hydrogen to produce 9 g of ammonia according to the chemical equation shown
if the percent yield for the following reaction is 750 and 450 g of no2 are consumed in the reaction how many grams of
balance the chemical equation given below and determine the number of grams of mgo needed to produce 150 g of fe2o3
what would the volume of air inside a 350l tire under 244kpa of pressue occupy of it escaped to standard atmospheric
describe the liquid-liquid extraction of a mixture of potassium iodide benzoic acid and napthalene explain reactions
explain why the number of moles must remain constant for any of the gas laws to
calculate the concentration of the potassium ion in grams per liters after mixing 100ml of kcl 0250 m and 200 ml of
a mass of mercury occupies 0750 l what volume would an equal mass of ethanol occupy the density of mercury is 13546 gml
1 what if the food was cooked using steam instead of boiling water liquid explain2 what is the molarity of a salt
137 g h2 is allowed to react with 988 g n2 producing 213 g nh3part a what is the theoretical yield for this reaction
what volume of 60 m sulfuric acid is required for the preparation of 5000 ml of 030 m
what is the ph of a solution containing 45ml 01m acetic acid when it is titrated by 0015m naoh the solution is at
potassium hydrogen phthalate often called simply khp is an acidic salt compound the hydrogen is slightly acidic and it
the salts listed below are insoluble in aqueous solution which of these salts will dissolve in whole or in part in