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Problem- The rms of the molecules of a gas at 149 C is 187 m/s. Calculate the mass of a single molecule in the gas.
If possible just a brief explanation how you got the answer?
explain why only a catalytic amount of the radical initiator is required in a free radical-chain polymerization reaction
we had used a red dye, what changes would you make in your experimental procedure to determine the rate law for the oxidation of the red dye by sodium hypo-chloride?
Formic acid, HF or has a Ka value equal to about 1.8*10~-4. A student is inquired to prepare a buffer having a pH of 3.4 from a solution of formic acid as well as a solution of sodium formate having the same molarity. Explain how many milliliters ..
An aqueous solution of methylamine (CH3NH2) has a pH of 10.68. How many grams of methylamine are there in 100mL of the solution
FireFlies flash at a rate that depends on temperature. At 29 C the average rate is 3.3 flashes every 10 seconds;at 23 C the average rate falls to 2.7 flashes every 10 seconds.
decomposes according to the above equation, calculate the concentration of O2 at equilbrium.
Depict the structures of the compounds as well as predict whether they can diffuse across a membrane without facilitated diffusion. Define why did you come to the conclusion.
Use this equation Keq= [FeSCN^2+]/[Fe^3+][SCN^-] to calculate the concentration of Fe^3+ and SCN^- in a solution that has an equilibrium FeSCN^2+ concentration of 4.5 x10^-5 M.
The excess HCl in the solution required 94.9 mL of 0.128 M NaOH for complete neutralization in a titration. What was the molecular formula of the white substance
suppose that you are performing an extraction of an aqueous solution with an organic solvent that has a density less than water. Propose a method to identify and collect only the organic solvent. Assume that water and your solvent of interest are ..
Room temperature is often assumed to be 25 degrees celcius calculate the molar volume of an ideal gas at 25 degrees celcius and 1 atm pressure
Describe alpha, beta, and gamma radiation.
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