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Calculate, by explicit summation, the vibrational partitionfunction and the vibrational contribution to the molar internalenergy of I2 molecules at (a) 100 K (b) 298 K given thatits vibrational energy levels lie at the following wave numbers above the zero-point level: 0, 213.30, 425.39, 636.27, 845.93cm-1. What proportion of I2 molecules are inthe ground and first two excited levels at the two temperatures?Calculate the vibrational contribution to the molar entropy ofI2 at the two temperatures.
Neglecting the effect of the vapor pressure of water on the system, calculate how many mg of zinc would generate 92.0 mL of the gas at a temperature of 25.0 °C and a pressure of 1.00 atm. The answer should have correct number of significant figure..
You need to prepare 100.0 mL of a pH=4.00 buffer solution using 0.100 M benzoic acid (pKa=4.20) and 0.120 M sodium benzoate. How much of each solution should be mixed to prepare this fuffer
What is the molarity of a solution of silver perchlorate, AgClO4, if 3.2 moles of silver perchlorate is dissolved in 1.5 liters of water? Is it 2.133 M, 4.756 M, 4.8 M, or 4.810 M ?
The pH of a 2.1 M solution of a weak acid, HA, at 298K is 1.85. What percent of the acid has dissociated
A piece of gold has the shape of a cube- each of its sides measures 5.00 cm. the volume of a cube is length x width x height. if the density of gold is 10.5 g/cm^3, what is the mass in grams of the piece of gold?
Draw the Lewis structures for calcium carbonate and magnesium hydroxide.
A layer of peat beneath the glacial sediments of the last ice age has a carbon-14/carbon-12 ratio that is 22.6% of that found in living organisms.
Give an example of a compound that exhibits ionic bonding and an example of a compound that exhibits a covalent bond.
a flask containing 352 ml of gaseous nitrogen is collected over water at a temperature of 22 degree Celsius. the total pressure of the gases was 742 mm Hg. how many grams of nitrogen were collected?
Write the full and condensed ground state electronic configuration and draw the orbital diagram for the following a. Gallium, Ga b. Cesium, Cs
calculate the expected ph of a 25.0 ml solution of 0.200 m acetic acid that is being titrated with a 0.100 m solution
what is the ph of 0.0005 m solution of sodium bicarbonate and water using the dominant reation alone and assuming that
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