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Depict the general trends in the second ionization energy of an element as a function of its atomic number, over the range Z=1-20. Label the minima as well as maxima on the graph with appropriate element symbol.
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
Given the DNA template strand 3'GCATTCAAG5' write the amino acid sequence in the N terminal to the C terminal direction. Use the three letter amino acid abbreviations.
what fraction of the radioactivity will appear as CO2 during the first 2 turns of the TCA cycle? Draw the structure of OAA and indicate its labeling pattern after the second turn of the TCA cycle.
How many moles of O2 will be produced if 4.83 moles of CO2 react completely?
How many grams of 02 are consumed by the combustion of 2660g of octane(C8H18)? Balanced equation is 2C8H18 +25O2-->
A titanium rod of length 10 cm and circular diameter of 2 cm is pulled in tension with a load of 100000 N. The rod elongates by 0.01 cm under the load but recovers to its original length when the load is released.
The combustion of propane may be described by the chemical equation. C3H8(g) + 5O2(g) arrow 3CO2(g) +4H2O(g) How many grams of O2(g) are needed to completely burn 95.5 g of C3H8(g)
Draw the structure of tristearin, a fat in which all the fatty acid units are stearic acid. Circle and identify all functional groups.
This wavelength is in the x-ray region of the electromagnetic spectrum. The purple dot is a representation of the x-rays hitting the video camera. Change the Electric Field and Magnetic Field to determine the effect on the x-rays. Did the electric..
at 25 degree c the vapor pressure of pure water is 23.76 mmhg and that of seawater is 22.9 mmhg. assuming that
A solution is prepared by measuring 33 mL of the concentrated HCl, adding it to water, and diluting to 0.500 L. Calculate the approximate molarity of this solution from the volume, percent composition, and density.
You have 493 mL of chlorine trifluoride gas at 699mmHg and 45 degrees Celsius. What is the mass (in grams) of the sample.
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