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problem 1 a rigid tank contains 5 kg of refrigerant 134a initially at 20degc and 140 kpa the refrigerant is now cooled
an analysis of the properties of the selected atom and its most common ionan explanation of the difference between the
what is the pressure of co2g at equilibrium when this reaction is run at 400
what is the rate law for the crystal violet reactionintroductionbullbrief description of the goal in this experiment
how hot will a 230 l ballon have to get to expand to a volume of 400 x 102l assume that the intial temperature of the
paper based on the launch of the drug belowkeytruda pembrolizumab by merck for the treatment of unresectable or
calculate the number of moles in each of the followinga 832 g of agb 0300 g of cc 128 g of ammonia nh3d 720 g of
37a container of mass 2500 g is found to have a total mass of 4522 g when a sample of potassium nitrate is added
1quantitative analysis of a 500-g sample of a gaseous compound yielded the following results 200 g sulfur and 300 g
what are q and w in kj for the reaction of 250 g of nas and 530 g of cl2g to produce nacls at 1 atm and 298kq kjw
the literature value of ksp is not well known your textbook reports a value of 29 x 10-8 in chapter 16 and the handbook
create a balanced chemical equation showing a monoprotic acid and a diprotic acid with sodium hydroxide
of the metals au fe na and cd which will not give up its electrons to silver ag in a redox
1 from the emission spectra of quinine and anthracene pick a wavelength that will permit you to determine quinine in a
a chemical system within a sealed 1 l reaction vessel is described by the following reversible reaction
allicin is the compound responsible for the characteristic smell of garlic an analysis of the compound gives the
1 regarding the acid-base neutralization reactionmgoh2 aq 2 hno3 aq ---raquo 2 h2o l mgno32 aqwhich of the following
problem 1when 5000 ml of 010 m naoh solution containing na and oh- ions is mixed with 5000 ml of 010 m mgno32 solution
you may focus your reading on either the chemistry in medicine links or the chemistry in the environment links
introduction gel electrophoresis is an important analytical technique in the fields of chemistry and biochemistry in
1 from the perspective of a chemist explain what a crystal is choose two examples of crystals and explain how they are
1 a marine biologist may need to dive deep underwater for her research to do so she may want to know how to do
these questions are from an experiment fats soaps and detergents- a saponification reaction1 the triglyceride and the
1 what are the two metal strips in the daniells cell2 what is used to connect the two containers of the daniells cell3
1 what is the most important atom in petroleum and organic chemistry2 what geometric shape fits the way hydrogen bonds