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Which kind of spectroscopy is this?
A spectroanalytical procedure for the quantitative determination of chemical elements employing the absorption of optical radiation (light) by free atoms in the gaseous state
A gas expands and does P-V work on the surroundings equal to 261 J. At the same time, it absorbs 216 J of heat from the surroundings. What is the change in energy of the system?
Explain why should the standardized NaOH solution be kept in a stopper bottle. Why should you use a rubber stopper for this
Write electron configurations for carbon and nitrogen. Briefly explain why the electron affinities of these two elements are not in the accordance with the general trends expected
Proteins can be unfolded, or denatured, by agents that alter the balance of weak noncovalent forces that maintain the native conformation. How would the following agents cause a protein to denature
At a potential of -1.00 V vs. SCE, carbon tetrachloride (CCl4) in methanol undergoes a reduc- tion to chloroform (CHCl3) at a mercury cathode:
Write the correct net ionic equation for the reaction that occurs when aqueous solutions of potassium hydroxide and hydroiodic acid are combined. include states
Draw two equivalent resonance forms for nitric acid and three for nitrate ion. Rank the three types of nitrogen-oxygen bonds in order of length.
diffraction studies of crystals depend on interferences between planes of electron density whose spacing must be
a sled-dog racer builds three identical igloos. one is used to store her supplies another houses her team of 12 dogs
chlorine triflouride gas at 708 mmHg and 50 degrees celcius. what is the mass (in g) of the sample?
A sample of carbonic acid (0.125 L, 0.165 M, pKa1 = 6.35, pKa2 = 10.33) was titrated with 1.53 M NaOH. Calculate the pH at the following points: Before the titration. At the 1st midpoint. At the 1st stoichiometric point.
how many milliliters of o2 are consumed in the complete combustion of a sample of hexane c6h14 if the reaction produces
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