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If all of the energy from the beta decay of the 14C in a 6000 kg African Bush Elephant could be captured and converted into electrical energy, how many such elephants would be needed to power your cellphone, which requires 0.400 W? Your solution must begin with a calculation of the amount of 14C in an elephant, and include the half-life and decay energy. Answer, with reasoning,
Based on polarity considerations think how effectively these solvents will extract timyristin from nutmeg. Rank them in order from that which must extract the most trimyristin to that which extracts the least as well as explain why you ranked the ..
How do I make a stripping buffer that is 20 mM sodium phosphate, 500 mM NaCl and 50 mM EDTA
Chromium(III) oxide reacts with hydrogen sulfide (H2S) gas to form chromium(III) sulfide and water. 4 significant figures. Cr2O3(s) + 3 H2S(g) Cr2S3(s) + 3 H2O(l)
Explain how chymotrypsin combine different modes of catalysis( acid/base and covalent chemistry; proximity effects and transition state binding/stabalization) to acheive the rate enhancement observed for enzyme catalyzed reactions.
What is the maximum energy that can be extracted as (a) heat and (b)non-expansion work when 1.0 kg of natural gas is burned under standard conditions at 25 deg celsius. Take the reaction to be CH4(g) + 2 O2(g) ----> CO2(g) + 2 H2O(l).
What is the expected pH of this solution. Estimate the free carbonate ion concentration in this solution. Estimate the concentration of carbonic acid in solution.
What volume will it occupy at each of the following temperatures if the pressure and number of moles are constant
1. for the uncatalyzed decomposition of h2o2aq to form h2ol and o2g the activation energy ea and the change in energy?e
A rigid 7.80 L sealed vessel containing 2.700 mol of O2 (g), 0.600 mol of C2H4(g), and 2.400 mol of Ne(g) has an internal temperature of 85.0 C.
Petane and 1-butanol are organic liquids with similar molecular masses but sunstantially different solubility behavior. Which of the two would you expect to be more soluble in water
Vitamin b6 is needed in the metabolism of amino acids. When it binds to an enzyme it forms a complex with the e-amino group of lysine, which is a primary amine.
how does nuclear magnetic resonance imaging allow us to see inside human bodies? in what other ways do you think this
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