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what is the empirical formula of a compound containing c h and o if combustion of 123 g of the compound yields 18 g co2
a student wants to prepare 100 l of a 100 m solution of naoh molar mass 4000 gmol 531 if solid naoh is available how
chemical a decays over time as a second order reaction if the concentration after a time of 250 seconds is 0063 m and
determine the direction in which the following reaction is spontaneous at 25 degrees mg2aq ks lt--------gt mgs kaq
your abstract should contain the following parts that are listed belowtopic sentence your abstract must contain one
cyclopropanenbspc3h6reacts to form propenenbspc3h6nbspin the gas phase the reaction is first order in cylclopropane and
topicsubjectthe etowah darter etheostoma etowahae is a fish restricted to the upper reaches of the etowah river coosa
currently taking a chemistry class and i am having a hard time finding out the diiference between matter and energy
lets just consider the concept of stoichiometry without any confusing chemicals here is a generic equation 2a 6b rarr
calculate change in h change in s and change in g for the following reactions that produce acetic acidch4g co2g----to
a bomb-type calorimeter is used to measure the heat evolved by the combustion of glucose c6h12o6 write the balanced
what is the ph of a solution that results from addition of 100 ml of 1 m hcl a strong acid with 100 ml of 1 m naoh a
when 500 g of butane c4h10 g burns in oxygen 247 kj of heat are released what is deltah for the following
ammonium nitrate is produced by the reaction of ammonium hydroxide a weak base with nitric acid a strong acid kb for
if you have a 625ml solution of 14 m formic acid how many milliliters of 125 m naoh would you need to reach the 12
two plastics that are targeted for recycling from household waste are polyethylene terephthalate pete and high density
what is the volume at stp of a sample of co2 that has a volume of 750 ml at 300 degree celsius and 680
a non-polar molecule of an unknown molecular mass is dissolved in benzene when 125 g of this substance is used to make
pure ethanol boils at 78degc but an ethanol solution containing glycerol condensed formula ch2ohchohch2oh does not if
the vapor pressure of water at 60degc is 0196 atm in order to reduce the vapor pressure to 134 torr 1 atm 760 torr how
nicotine molecular weight 163 g is a liquid completely miscible with water at temperatures below 60degcanbspwhat is
if the human eye has an osmotic pressure of 800 atm at 25degcanbspwhat concentration of non-dissociating solute
1 compare the dipole moments of pcl5 and brf5 discuss and explain2 draw a 3-d sketch using the wedge-and-dash