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problem- what is the empirical formula of a hydrocarbon if complete combustion or 5900 mg of the hydrocarbon produced
problem- carbon dioxide dissolves in water and water evaporates into the atmosphere during the experiment how to d two
problem- a stock solution of capsaicin in hplc grade ethanol is provided 65 capsaicin 35 dihydrocapsaicin calculate the
problem- two radioactive isotopes of iodine used for the diagnosis and treatment of thyroid disease have mass numbers
problem- a 50 ml volume of the solution with an initial ph of 65 was titrated with 001 m hcl and after the addition of
problem- the michaelis-constant of an enzyme in a catalyzed reaction is 10 microm what is the substrate concentration
problem- part 1- you have diluted 9ml of nominally 6m naoh to 500ml what is the approximate molarity of the basepart 2-
problem- what is the meaning of the term end point in a titration and what is true about the system at the end
problem- part 1 you have diluted 9ml of nominally 6m naoh to 500ml what is the approximate molarity of the basepart 2 a
problem- what is the name of the indicator you are to use for titration and what color does it turn at the end pointi
problem- an electrochemical cell consists of two snsn2 half-cells the cell has a potential of 010 v at 25degc what is
problem- the composition of the atmosphere is approximately 80 per cent nitrogen and 20 per cent oxygen by mass at what
problem- atmospheric pollution is a problem that has received much attention not all pollution however is from
problem- cu2 is reduced to cus at an electrode if a current of 125 ampere is passed for 72 hours what mass of copper is
when sensors in a car detect a collision they cause the reaction of sodium azide nan3 which generates nitrogen gas to
when heated to 350 c at 0950 atm ammonium nitrate decomposes to produce nitrogen water and oxygen gases
when solid caco3 is heated it decomposes to give solid cao and co2 gas a volume of 285ml of gas is collected over
determine the molar mass of each of the following gases 093g of a gas that occupies 410ml at 0 c and 100 atm stp 126g
a tank of oxygen holds 140l of oxygen o2 at a pressure of 300atm when the gas is released it provides 230l of oxygen
use the data from this table of thermodynamic properties to calculate the maximum amount of work that can be obtained
problem- erbium metal er can be prepared by reacting erbiumiii fluoride with magnesium the other product is magnesium
problem- europium eu is used in older television screens to give a red color the metal can be prepared by electrolysis
problem- indium is a vital component of the electrically conducting transparent coatings on lcd screens indium metal
problem- what is the advective flux of total cr that is discharged into a river assume no cr in the river before the