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Pretend you run a reaction and your theoretical yield is 5.25 grams, but you isolate 5.50 grams. What is the most likely reason for the excess weight?
a) the balance is brokenb) your product contains some type of impurityc) you are such a good chemist that you made extra materiald) a different reaction occurred than you were expecting
Provide an example of the following mechanism by choosing an appropriate reactant and reagent then drawing curly arrows to show how the mechanism proceeds.
How many grams of oxygen can be added to the balloon before it pops? Assume the balloon had no gas in it before oxygen is added.
what is the volume of HCl gas required to react with excess magnesium metal to produce 6.82 L of Hydrogen gas at 2.19 atm and 308 K?
calculate the absolute and relative error in terms of the concentration of Pb2+ when the electrodes are used to measure the lead-ion concentration in a solution containing 3.17X10-2 M Pb(NO3)2 and 8.03X10-3 M Cd(NO3)2
It is often possible to change a hydrate into an anhydrous compound by heating it to drive off the water (dehydration).
the amount of product formed in the reaction mixture was 12 micro-moles. If, in a separate experiment, one-third as much enzyme and twice as much substrate had been combined, how long would it take for the same amount (12 micro-moles) of product t..
How many Carbon 14 atoms are in a charcoal sample that has a decay rate of 3500 disintegrations per min
Pancreatic lipases hydrolyze triacylglycerols (triglycerides) that have been emulsified by bile. Modify the triacylglycerol below to show the products of its hydrolysis
What is the mole fraction of each component in a mixture of 12.45g of H2, 60.67g of N2 and 2.38g of NH3
would the mass of the precipate collected be more, unchanged, or less if performing the reaction with reactants
A hypothetical metal has a simple cubic unit cell with the edge length of 4.123 Å. Calculate the radius of the metal atom.
Choose the element with the more negative (more exothermic) electron affinity from each of the following pairs.
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