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in terms of electronegativities1 why is the oxidation number of hydrogen 1 in compounds with cno and cl but -1 in
if an undetected bubble of air were trapped inside the gas collection tube what would be its effect on the percent
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
what accounts for the ability of the dermis to under go repeated
why is the scientific method important using the steps of the six steps of the scientific method explain why each step
how would you answer thischemical reactions are the driver of life and death - or biological processesnbspconsider the
pharmaceuticals in the water are being blamed for severe reproductive problems in many types of fish the endangered
choosing an antimicrobial techniqueyou be the expert imagine you are a teaching a class on controlling microbial growth
when determining the rate of diffusion objects that weigh less diffuse faster right when i did my experiment with blue
give 20 examples of reciprocal altruismnbspexplain why each example is reciprocal altruism examples of reciprocal
give 20 examples of kin selection explain why each example is kin selection examples of kin selection can be in humans
consider how alcohol weakens the myocardiumdiscuss several other long-term effects that you would expect to see on the
describe the intermediate effects of cocaine use and how the early effects cause these changesdescribe the long term
traveling at 80 the speed of light to gilese 581s planet it would take us about 96 years to reach the planet how much