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a 6363 gram sample of a hydrocarbon is burned in a furnace and 19966 grams of co2 and 8173 grams of h2o are collected
a person suffering from hyponatremia has a sodium ion concentration in the blood of 0120 m and a total blood volume of
the rate constant for a first order reaction is 18 x 10 to the neg 2 s-1at 742 k and 45 x 10 to the neg 2 s-1 at 902 k
what is the calculated mass of k4fecn63h2o needed to prepare 10000ml of 0250m solution i just need help with the whole
a the name acetic anhydride implies that the compound will react with water to form acetic acid write the equation for
so for the energy level diagram of h2 i understand that when h2 absorbs energy one electron would be promoted to the
5h2c2o4 2kmno4 --gt 10co2 k2so4 2mnso4 8h20how many g of h2so4 are required to produce 75g of co2the answer i
given the following pka values draw the dipeptide at ph7 clearly show and explain the charges in this molecule pka
the ice at an ice skating rink has a temperature of -5c 26815 k use the clapeyron equation to calculate the pressure in
when gasoline burns in a car engine the heat released pushes the pistons outward if the expanding gases do 451 j of
a 134 ml sample of vinegar containing acetic acid hc2h3o2 was titrated using 0554 m naoh solution the titration
nitric acid whose worldwide annual production is nearly 10 billion kilograms is used to make many products including
calculate the h ohph of a 035 ch3nh3cl solution ka for ch3nh3 227x10-11 state wheather water solutions of the following
what is the silver concentration in a solution prepared by mixing 300 ml of 0310 m silver nitrate with 200 ml of 0140 m
a solution is initially supersaturated with ca2 and co32- ions by rapid addition of calcium carbonate such that the
an excess of solid calcium fluoride is shaken with 0100 m hcl until a saturated solution is obtained pka317 for hcl
you begin an experiment with 020 m reactant a and 040 m reactant b after the reaction has been allowed to achieve
the reaction of aluminum with hydrocholoric acid can be shown as follows 2ais 6 hciaq --gt 2aici3aq 3h2g how many
an ocean wave has a wavelength of 4000 meters and a frequency of 700 waves per minute what is this waves velocity in
a swimming pool is 2615 yards long and 4004 feet wide the pool is filled with water from a hose that has a flow rate of
a 8750-gram sample of a hydrocarbon is burned in a furnace and 27456 grams of co2 and 11239 grams of h2o are collected
balance the following equation in standard form and determine the sum of the coefficients feos o2g --gt fe
determine the mass of substance c that will form when 450 grams of substance a reacts with 230 grams of substance b
give a nanoscale interpretation of the fact that at the melting point the density of solid mercury is greater than the
the total number of neutrons in a diatomic chlorine molecule made up of one atom of ci-35 and one atom of ci-37