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What is the volume of 1.31 kg of mercury at 25 C? You can use any reliable reference to look up the density of mercury.
Suppose that Part II of the experiment were carried out with aqueous NaOH (sodium hydroxide) instead of Ba(OH)2 to form soluble Na2SO4
describe how will you prepare a supersaturated solution of potassium nitrate in water.
tryptophan in the environment was exhausted, the bacteria started to excrete a metabolite on the tryptophan biosynthetic pathway. why didnt the bacteria excrete the metabolite before exhausting the environmental tryptophan?
What is the percent ionization of a 0.230 M hydrosulfuric acid (H2S(aq)) solution
suppose a 5.00 L sample of diatomic oxygen at a given temperature and preesure contains 1.08x10^23 molecules. How many molecules would be contained in 5.00L of hydrogen?
In the following procedure, we are performing an extraction with ethyl acetate. What compounds are we separating from our product? Procedure
heated from 20 to 50 degrees Celsius. How many calories were needed to bring about the temperature change?
A car engine cools efficiently when water is used as a coolant, but the engine does not cool as efficiently with pure ethyl glycol (antifreeze)
Calcium carbide, CaC2, reacts with water to form acetylene. CaC2(s) + 2 H2O(l) C2H2(g) + Ca(OH)2(s) How many grams of water are needed to react with 473 g of calcium carbide?
The pH difference across the membrane of a glass electrode is 3.87. How much voltage is generated by the pH gradient
How would you separate a mixture of eugenol and cholesterol
Does a mutation causing a substitution of one base pair in a strand of DNA necessarily result in a new amino acid in the protein coded for that gene? Explain.
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