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The NO molecule has a double degenerate electronic ground state and a double degenerate excited state at 121.1 cm- 1. Calculate and plot the electronic contribution to the molar heat capacity of the molecule up to 500K
The first-order rate constant for the decomposition of N2O5, 2N2O5 --> 4NO2 + O2 at 70 degrees C is 6.82 * 10 ^-3 . Suppose we start with 2.90×10?2 of in a volume of 1.7 L. A)
The element is so highly unstable that no observations of its properties have been possible. Based on its position in the periodic table, propose two different reasonable valence electron configurations for this element.
Calculate the change in entropy of the system and the surroundings and the total entropy change if four moles of an ideal gas is expanded isothermally
The thermostat in a refrigeraor filled with cans of soft drinks malfunctions and the temperature drops to below 0 degree Celsius. The contents of the cans of diet sodas freeze, rupturing many of the cans.
How many moles of Allyl Sulfide (C3H5)2S in 23.2g? How many H atoms are in 0.85 mole of allyl sulfide?How many atoms of Carbon are in 4.20 X 10^23 molecules of allyl sulfide.
Using standard reduction potentials, calculate the standard E0 cell, (emf), for each of the following reactions. 1. Show half reactions 2. Balance and gain electrons 3. Write overall reaction of each
A sample of H2SO4 contains 1.11 grams of H (1.01 g/mol). How many moles of H2SO4 (98.02 g/mol) are present?
describe the underlying concepts of how laboratory activity works. descreption should be at least half page
1 calorie = heat required to raise temp. Of 1.00 g of H2O by 1.0 oC. Which has the larger heat capacity? How much energy is transferred due to T difference?
Chlorine gas can be produced commercially by passing an electric current through a con- centrated solution of sodium chloride (brine).
What is the morality of an unknown sulfuric acid solution if it takes 23.35 mL of a 0.3335 M lithium hydroxide solution to neutralize it?
A buffer contains 0.30 M acetic acid and 0.20 M sodium acetate. What is the pH of the buffer as prepared and after 0.030 mol/L of a strong acid or 0.030 mol/L of a strong base are added (Ka = 1.8 x 10-5).
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