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315g of magnesium metal was used to produce hydrogen gas write the balanced chemical equation for this reaction how
if an undetected bubble of air were trapped inside the gas collection tube what would be its effect on the percent
calculate the concentration of all species at equilibrium in 001 m acetic acid in water at 25 given ka of acetic acid
in terms of electronegativities1 why is the oxidation number of hydrogen 1 in compounds with cno and cl but -1 in
what is the equilibriumnbspca2nbspconcentration whennbsp229nbspl of anbsp0157nbspmnbspcalcium acetatenbspsolution are
oxygen gas o2 is required to burn propane c3h8 producing carbon dioxide co2 and water h2o in the process this is
if you hadnt added quite enough hydrochloric acid to consume all of the magnesium metal what would be the effect of
a solution ofnbspcopperii sulfatenbspcuso4 in water isnbsp9500nbspnbspcopperii sulfatenbspby mass its density
copperii chloride has the chemical formula cucl2 we wish to make a solution of copperii chloride by adding it to a
to carry out a chemical reaction you need 07 mol of hcl if you have a 40 m solution of hcl how many liters would need
write the reaction that occurs when hno3 is added to ammonium nh4ammonia nh3 buffer systemwrite the reaction that
calculate the delta reaction of glycerol ch2oh2choh knowing that its heat of combustion is -3970
how many collisions does a single ar atom make in 10 s when the temperature is 25 degc and the pressure is 10
determine the quantity g of pure cacl2nbspin 75 g of cacl2bull9h2o75g cacl2 9h2onbsp 1molecacl2 9h2o 27312 grams nbsp
q1 during the coupling reaction why does the coupling occur in the 1-position for 2-naphthol hint write the resonance
what is the percent by mass of carbon found in caffeine c8h9n4o2 what is the mass of carbon in milligrams found in 95mg
how many isomers structural geometric exist for dichlorocyclopropane c3h4cl2in the iupac name for the following
a 3500-ml solution of 02500nbspmnbsphf is titrated with a standardized 01453nbspmnbspsolution of naoh at 25degca what
find the ph during the titration of 2000 ml of 01000nbspmnbsptriethylamine ch3ch23nnbspkbnbsp 52nbsptimesnbsp10-4
a 100-ml reaction vessel initially contains 260 times 10-2nbspmoles of no and 130 times 10-2nbspmoles of h2 at
sulfur dioxide and oxygen gas react to produce sulfur trioxide in an exothermic reaction2so2nbspnbspo2nbsprarr 2so3at
explain how you could experimentally determine whether the outside temperature is higher or lower than 0 degc 32 degf
give the number of protons electrons and neutrons in neutral atoms of each of the following isotopes a 3 7li b 52 125te
propionibacterium is a gram-positive anaerobic bacterium that exists naturally in the rumen of herbivores it is the