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Anfinsen studied the folding properties of the enzyme ribonuclease using the denaturants 2-mercaptoethanol and urea. How does each of these materials contribute to the unfolding of the protein, and what is the significance of his using both of these rather than just one or the other?
Trichlorofluoromethane (CCl3F) boils at 23.8C, and its molar heat of vaporization is 24.8 kJ/mol. Calculate the molar entropy of evaporation of CCl3F(l).
Which term or terms could be used to describe this sample of gold? Check all that apply. mixture heterogeneous mixture homogenous mixture solution pure chemical substance compound element
Iron can be prepared by the reaction of Fe2O3 with carbon according to the equation: 2Fe2O3(s) + 3C(s) 3CO2(g) + 4Fe(s) If 401 g Fe2O3 and 205 g C are heated together, how many grams of iron could be produced?
If in an experiment 42g of CO is burned with excess oxygen gas. Calculate how many grams of CO2 will be formed in the process.
Fe3O4(s) + 4CO(g) --> 4CO2(g) + 3Fe(s). In this reaction, if 335.2 g Fe3O4 is reacted with excess CO, what mass of CO2 will be produced.
How do you calculate how mangy grams of a solid to dissolve in water to make a solution given the milliliters and the molarity? Such as given 100 mL of .1000 M Sr(NO3)2.
find the molarity of 0.5 grams of sodium chloride is dissolved to make 0.05 ml of solution
The mass of the sample before heating was 3.327g and after heating the mass was 2.432g. What is the percent composition of sodium carbonate in the original mixture?
In an electrolytic cell Mn2+ is reduced to Mn and Sn is oxidized to Sn2+. Write an equation for the half-reaction occurring at the anode and at the cathode.
The average radius of a molecule of lysozyme, an enzyme in tears is 1430pm,what is the radius in nanometers.
Its atomic number was believed to be 126. What is the most probable distance of the innermost electrons from the nucleus of an atom of this element?
What is the number of chlorine atoms are in 5.0 g chloral hydrate?
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