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What is the difference between monatomic and polyatomic ions? What would be an example formula of any monatomic cation and what would be an example formula of any polyatomic anion?
Calculate the Cation Exchange Capacity (CEC) of 1 g of a soil that releases the following concentrations of ions in the ammonium acetate test
when a 7.00g sample of kcn is diisolved in water in a calorimeter that has a total heat capacity of 5.989 kj k-1 the
Compare the roles that these groups might play in catalysis with those of zinc in carboxypeptidase.- What atoms are formally reduced in the overall reaction?
Consider the data below representing a run for the Clock Reaction you'll be performing in lab. Calculate the rate of reaction in M/s if the volumes of reagents indicated are combined and 219 seconds elapse before the color appears.
question it takes 46.0 j to raise the temperature of an 12.5g piece of unknown substance from 13.0 oc to 26.2 oc. what
Calculate the volume of N2 produced at 21 degrees C and 823 mmHg if 60.0 g of sodium azide reacted
If 8.00 mol of NH3 reacted with 14.0 mol of O2, how many moles of H20 will be produced?
Problem- Under standard conditions, the Gibbs free energy of the reactants G, std(reactants) in a redox reaction in aqueous solution is 360.02 kJ and the Gibbs free energy of the products G, std(products) is 124.52 kJ. The number of moles, n, of e..
If a soccer player weighed 70.7 kg before a match, drank 1.8 l of liquid (density 1.05 g/mL) during the match and weighed 69.3 kg after the match. How many pounds of sweat did the soccer player lose
Pure water containing no arsenic was spiked with .40micrograms arsenate/L. Seven replicate determination gave .39 ,.40, .39, .41, .36, .35,.and .39 microgram/L. Find the mean percent recovery of the spike and the concentration detection limit
When a molecule has two, degenerate, "infrared active", vibrational modes, the two vibrational modes will show absorptions at different frequencies in the infrared spectrum.
Show your calculations and determine the half-life of Tc-99 (in hours). (b)The delivery of a sample of Tc-99 from the reactor to the nuclear medicine lab of the hospital takes 3h.
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