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assuming that coca-cola has the same specific heat as water 418 jgsdotc calculate the amount of heat in kilojoules
calculate the mass in grams of each sample76times1025nbspo3nbspmolecules express your answer to two significant figures
calculate the value of oh-nbspfrom the given values in each solution and then label the solution as acidic or basica
consider the following reaction in chemical equilibrium 2nbspbrnognbspnbsp2nbspnognbspbr2gwhat is the effect of adding
assuming constant conditions what volume of sulfur trioxide gas is produced from 370 l of oxygen
if the rice you are cooking for dinner tonight contains 750 ppb of arsenic and you eat a 450 g portion how much arsenic
according to the following reaction how much energy is evolved when 560 kg of fe3o4 is formednbspreference the molar
when 38 g of a metal at 81 c is added to 50 g of water at 23c the temperature of the water rises to 32c what is the
a sample of nitrogen gas has a volume of 125 l at stpwhat is the temperature in c if the volume is 500 l at 200
a volume ofnbsp180nbsplnbspcontains a mixture ofnbsp0250nbspmolenbspn2nbsp0250nbspmolenbspo2 and an unknown quantity
statisticsnbspa chemist performed a analysis of 5 replicate samples of nist traceable certified materials with these
a sample of ammonia gas has a volume of 400 ml at stpwhat is the celsius temperature if the volume is 3500 ml at 250
a 250nbspmlnbspsample of ozone gas at 20nbspc and 0480nbspatmnbspis cooled to a pressure of 0330nbspatm if the volume
specific heat of stainless steel 051 j g ccalculate the heat that must be supplied to a 522 g stainless steel vessel
1 if liquids droplets were left condensed on the inside flask walls will the experimental molecular weight be higher
calculate the molar mass of a gas if 440g occupies 260l at room temperature and pressure identify the gas given that it
an ungalvenized iron nail that was put in a vinegarsalt solution after pennies have copper ii ions that coats the nail
when pennies are put in vinegar and salt for 10 minutes is the copper metal becoming copper ii ion an oxidation or a
you have gas well you have a 4500 ml sample of gas in a flexible container at 29815 k if you heat the gas to a
a gas of unknown identity diffuses at a rate of 833 mls in a diffusion apparatus in which carbon dioxide diffuses at
a sample of gas-phase hydrogen atoms have electron states ranging from n1 to n6 what is the maximum number of
suppose you are given an acid ha that has anbspka250 times 10-3nbspat 250 degcanbspwrite the balanced chemical reaction
a large scuba tank with a volume of 18 l is rated for a pressure of 220 bar the tank is filled at 20 degc and contains
the nadh and fadh2nbspused by the electron transport chain are normally produced in the mitochondria howeverselect onea
part a use the molar volume of a gas at stp to determine the volume innbspl occupied by 127nbspgnbspof neon at stppart