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1. Describe the ran world hypothesis
2. A) list the types of non covalent interactions that are important in providing stability to the three dimensional structures of macromolecules.
(B) why is it important that these interactions be noncovalent , rather than covalent, bonds?
Write a balanced equation for the single-replacement oxidation-reduction reaction described, using the smallest possible integer coefficients
Hydrogen gas was cooled from 150C to 50 C. It's new volume is75 mL. What was it's original volume?
for the reaction below ?h -296 kj per mole of so2 formed.ss o2g ? so2gwhat quantity of energy is required to break up
Which of these characteristics is necessary to achieve a line spectra for any given element. Which of these characteristics is necessary to achieve a line spectra for any given element.
Write a balanced SN1 chemical equation between each alkyl halide and the best nucleophile in solution.
Calcium chloride is added to a polymer solution of sodium alginate to cross-link the polymers, reating a thicker mixture which is used to add texture of food (like milk shakes). What is the explanation for why this happens?
Find the mass of the substance and the volume of a gas in a reaction - determine the mass of solid ammonium nitrate that must be used to obtain 0.145 L of dinitrogen oxide gas at STP.
One of the more effective treatments for HIV-positive individuals has been for them to take protease inhibitor cocktails. certain proteases are required for the virus to mature and these inhibitors prevent them from functioning.
She pours a 50.0 mL sample of water at 345 K into the calorimeter containing a 50.0 mL sample of water at 298 K. She carefully records the final temperature of the water as 317 K. What is the value of Ccal for the calorimeter?
Classify the following by the sign of delta U for the system: the following can be classified into these three categories (negative,positive, not enough data)
When 49 mL of a solution containing 3.1 M AlCl3 is diluted to 53 mL, a dilute solution is formed. How many moles of Al3+ ions are contained in 14 mL of the dilute solution
Question- 4 carbon, hyrdo carbon alkene (double bond) draw and name the straight chain and branched isomers. Do any of the isomores have a stereo center? if so which one?
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