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determine the molecular formulas for compounds having the following empirical formula and molar massc2h4s experimental
multiple choice question1 the functional groups on most amino acids arenbspa alpha amino and alpha carboxyl groupsb
sotalol is a drug with beta-blocker and antiarrhythmic actions the kinetics of the metabolism of the drug were followed
a gallon of gasoline can provide aboutnbsp130times105 kjnbspof chemical energynbspifnbspallnbspthis energy could be
reaction of the anti-cancer drug cisplatin with water is described by the following ptnh32cl2nbsp h2o -gt ptnh32h2ocl
the ph of a 03m pyridine c5h5n solution is 938 to this solution you add 015m pyridinium chloride c5h6ncla do you expect
you can use a calorimeter that contains water to find the specific heat of an object explain the general procedure
an organic compound which has the empirical formula cho has an approximate molar mass of 145 gmol what is its probable
in the laboratory a student dilutesnbsp168nbspml of anbsp970nbspmnbsphydrochloric acidnbspsolution to a total volume
in the laboratory you dissolvenbsp165nbspg ofnbspaluminum bromidenbspin a volumetric flask and add water to a total
the hidden hazard is what some chemicals produce when in a fire these byproducts from combustion can be quite deadly
in the laboratory you dilutenbsp283nbspml of a concentratednbsp300nbspmnbsphydrochloric acidnbspsolution to a total
questionconsider the formation of nognbspfrom its elementsn2g o2g 2nogcalculate the equilibrium partial pressures of
q m x c x deltat1 to produce heat an instant heat pack uses a chemical reactionnbspdiscuss the general chemistry
mole conversionshow many moles of au are in 212 g of auif you had 200 x 1024 atoms of na how many moles would you
a 250nbspmlnbspsample of 0125nbspmoll-1pyridinenbspkb17times10-9is titrated with 0100nbspmoll-1hclcalculate thenbspph
two identical particles are in an isotropic harmonic potential show that if the particles do not interact and there are
a box weighing 1000n is pulled at constant velocity along a rough horizontal floor by a 300n force directed at 20
there are two horizontal forces acting on a 10 kg crate on a frictionless floor 20 n - left and 8n - right according to
gravitational attraction between two masses is equal to 16 n at a distance between them to equal 05 m what is the
the engine of a car works at 3000 rpm revolutions per minute calculate frequency and period of revolution for the
a tourist took a 7 km walk from his hotel to a park calculate his average speed if the first 3 km he walked 40 minutes
describe newtons law of universal gravitation including the two main influences on the strength of gravity at any
a 48 g bullet traveling at 178 ms buries itself in a 578 kg pendulum hanging on a 2 m length of string which makes the