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Use the integrated rate law method to determine the rate constant for the data collected for the reaction:A ® B + C
Time (min) [A] (mol/L)0 0.1800
200 0.1084400 0.0695600 0.0430800 0.02481000 0.01511200 0.01061400 0.00701600 0.00441800 0.00252000 0.0016
Which of the following chemical equations corresponds to the standard molar enthalpy of formation of N2O
If the titrant has a molarity of 0.2000 M and there are 50.00 mL of analyte present, what is the molarity of the analyte?
Why are fluorescence measurements made at 90 degrees from the incident beam in most cases? 3. What is the ideal cuvette placement to avoid pre- and post-filter effects?
Consider an electrochemical cell constructed from the following half cells, linked by a KCl salt bridge. The nickel electrode loses mass and the nickel electrode is the cathode.
Metallic copper is formed when aluminum reacts with copper(II) sulfate. How many grams of metallic copper can be obtained when 54.0 g of Al react with 319 g of CuSO4?
Sodium atoms(Na) emit light with a wavelength(λ) of 330 nano meters when an electron moves from a state of 4 p orbital to a state of 3 s orbital now you just need to determine the energy difference between the orbitals.
Describe the technique used to determine the density of approximately 5 gram samples of the following at 20 degrees C and 1 atmosphere pressure: A) Gasoline B) Granular Sugar C) A lump of gold D) Mercury
You have 100.0 mL of a solution of hydrochloric acid that has a pH of 3.00. You add 100.0 mL of water to this solution. What is the resulting pH of the solution?
Evaluate the average kinetic and potential energies, and , for the ground state (n=0) of the harmonic oscillator by carrying out the appropriate integration.
explain why all the solutions iron iii nitrate and potassium thiocyanate used in this experiment were made in 0.1 m
use the van der waals equation to calculate the pressure of 4.21L CO(g) at 300°C. (a= 1.472 bar L^2mol^-2 and b=0.0395L mol^-1)
They were also planning to react ethyl bromide with a nucleophile. They came across the following nucleophiles in the lab: i) OH- ii)CH3CO2- iii) HO2- iv) H2O What is the relative order of of their reactivity in an Sn2 reaction with ethyl bromide
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