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a 2 liter bottle contains a solution of sugar in water there are 2 moles of sugar in the bottle what is the morality of
write equations using 1 butene to illustrate the reactions with br2 in dichloromethane acetone and potassium
write a balanced equation for the reaction involved in the synthesis of aspirin from salicylic
give equations showing the structures of all the reactants reagents and products for the reactions of salicylic acid
on a long standing an open bottle of aspirin will develop an odor of vinegar what causes this to
a chemist needs a buffer with a ph of 435 how many mls of pure acetic acid density1049 gml must be added to 465 ml of
relation between reaction velocity and substrate concentration michaelis-menten equation at what substrate
how many ml of 025 n of naoh will be used to titrate 0348g of primary standard khp c6h4cook
in standardizing a solution of hcl it is found that 4726 ml of the acid are equivalent to 1216 g of pure na2co3 what is
a solution of hcl is found to be 05277 n and 3965 ml of its equivalent to 2065 of standard naoha what is the normality
what is the normality of a solution of koh if 4518 ml are required to neutralize 03g of pure oxalic acid h2c2o4
what mass of naoh is needed to precipate the cd upper case 2 upper case ions from 300ml of 0520 m italic cd no32
a calculate the molarity of a solution by dissolving 0710 grams of na2so4 in enough water to form exactly 900 ml of
unusual thirst is a common symptom of diabetic patients and is directly related to osmotic pressure a diabetic patient
look at the table of polyatomic ions and determine what happens to the charge on the polyatomic ion phosphate when an h
what is the ph of 3m hcl after 10ml of 3m naoh is consecutively added until 120ml where is the equivelance
in an experiment 04000moles of hydrogen gas and 0400moles of iodine vapor are mixed in a 100l vessel and allowed to
nitrosyl bromide nobr gas decomposed to form nitric oxide gas and bromine vapor a 064 mol sample of nitrosyl bromide
an unknown volume of water at 182degc is added to 287 ml of water at 325degc if the final temperature is 235degc what
determine the dilution of the stock bleach solution naocl the bleach you will be using will be somewhere around 55
the activation energy for a reaction is 555 kjmol if the rate constant for the reaction has a value of 135 102 s-1 at
when an ionic solid dissolves in water water molecules attract the ions causing them to dissociate of come apart the
the nutritional calorie calorie is equivalent to 1 kcal one pound of body fat is equivalent to about 41 103 calories if
at a certain temperature a reaction that follow first order kinetics has a rate constant of to be equal to 2510-3 s-1
1 a flask is charged with 250 atm of n2o4 g and 150 atm of no2 g at 250 degree celcius then the following equilibrium