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Problem- Do medical instruments such as an EKG or an EEG measure voltage in series or in parallel?
Why do you think this method was selected? Please carry out what you can and illustrate your work so I can follow. Thanks
calculate the standard emf of a cell that uses the mgmg2 and cucu2 half-cell reactions at 25 degrees celsius. write the
A 10.0cm long cylindrical glass tube, sealed at one end, is filled with ethanol. The mass of ethanol needed to fill the tube is found to be 11.48g . The density of ethanol is 0.789 g/mL.
the small bubbles that form on the bottom of a water pot that is being heated before boiling are due to dissolved air
question a 0.100 m solution of a certain weak acid ha is found to have a ph of 2.45. calculate the ionization for the
What is the minimum amount of energy from the sun required to produce 5 g of glucose in this way? ?Hf of glucose is -1260 kJ/mol.
Exhaustive methylation of a trisaccharide followed as a result of acid hydrolysis yields equimolar quantities of 2,3,4,6-tetra-O-methyl-D-galactose, 2,3,4-tri-O-methyl-D-mannose, also 2,4,6-tri-O-methyl-D-glucose.
Given that the pka of h2so4 is -9 and that hno3 is -1.4, explain why nitration occurs more rapidly in a mixture of concentrated nitric acid and sulfonic acids than in concentrated nitric acid alone
The vapor pressure of a beaker of dilute aqueous solution of sucrose at 25 degree C is 3.111 kPa. Find the activity of water in this sucrose solution, given that the vapor pressure of pure water at 25 degree C is 3.167 kPa
How many grams of this acid will be required to titrate 45.0 mL of 0.18 M NaOH solution? H2C2O4 + 2NaOH > 2 Na^+ + C2O4^-2 + 2 H2O
First ,2-chlorotoluene react with acetylchloride. then acylation product (an oil ) react with its corresponding carboxylic acid(aluminum(3) chloride)
the sandals in disintegrations per minute per gram? Assume the original activity was 15.3 disintegrations per minute per gram.
Table salt is comprised of sodium (symbol Na) and chlorine (symbol Cl) in a simple one to one ratio. It is written in chemical shorthand as NaCl. How would you go about finding approximately how much salt there is in our body?
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