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What is the purpose of the buffer solution in the kinetic analysis of the experiment for the reaction of iodide ion with hydrogen peroxide
The volume of an average stomach is about 1.0L. Suppose that a particular condition of acid indigestion is equivalent to the presence of a 0.50% HCl (by mass) solution.
The half-life of methylmercury in the human body is estimated to be close to 100 days. Suppose a person weighing 65 kg eats 0.5 kg of fish containing 0.5
What is the molecular formula of the compound? , draw Structures for the molecule (1 bonus mark for every acceptable structure, up to a maximum of 5 bonus marks).
explain what ( if anything) is wrong with the following student's statement: " our solution is red, so we should set the spectrophotometer to the red light range
A 21.10 g sample of liquid ethanol is initially at -36.90 oC. If the sample is heated at constant pressure (P = 1 atm.), how much kJ of energy are needed to raise the temperature of the sample to 100.60 oC.
Estimate the equilibrium density of a fluid whose intermolecular potential can be described by the Lennard-Jones potential. For simplicity, assume that molecules in the fluid are arranged at the vertices of a cube (cube lattice), and that these cu..
1) If air oxidation of 92.0% iron to ferric oxide is 87.0% efficient, what mass of this iron is required to make 3.00 moles of ferric oxide?
Identify the reagents you would need to make the following substance via Grignard synthesis, and briefly describe your synthetic strategy.
The first ionization energy of magnesium is 738 kJ/mol, the second ionization energy of magnesium is 1451 kJ/mol, and the electron affinity for chlorine is -349 kJ/mol.
use plancks constant h 6.6260755 x 10-34 j-s to determine the energy or frequency for electromagnetic waves e h.
Working on a lab report and need to answer the question: why would any insoluble hydroxide tend to dissolve in acidic solution?
What is the anticpated rate in grams per minute at which ethanol will be formed at a rate of 100 L per minute at 573 K and 69.08 atm
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