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Calculate the zero-point energy of a harmonic oscillator consisting of a rigid CO molecule adsorbed to a metal surface by a bond of force constant 285 N/m
A certain solid metallic element has a density 7.87 g/cm3 and a molar mass of 55.85 g/mol. It crystallizes with a cubic unit cell, with an edge length of 286.7 pm. calculate the number of atoms per unit cell.
Suppose 10.0 g of CH4 is used in a reaction that can theoretically produce 95.8 g of CCl4. What is the percent yield of CCl4 if the reaction produces only 80.0 g of CCl4.
consider the reaction in which 410g of Ca(NO3)2 react with just the right amount of magnesium metal in a single replacement reaction. how many grams of lithium are required?
what is qvib at a temperature of 3100 K, keeping the zero point energy and referenced to v= 0? What is the vibrational contribution to CV, at the temperature 2600 K?
In chemical reactions the total number of moles of products must be the same as the total number of moles of reactants.
Assume no heat is lost to the surroundings. The normal boiling point of methane is -161.5 C. The specific heats of liquid and gaseous methane are 3.48 and 2.22 J/g.K, respectively. A)liquid B)gaseous C)solid
How much heat is required to warm 1.20 L of water from 20.0 degrees C to 100.0 degrees C ? (Assume a density of for the water.)
A 1.20-L container contains 1.10 g of an unknown gas at STP. What is the molecular weight of the unknown gas?
Differentiation between cis and tran isomers when it comes to cyclohexane. drawing the chair confermation and understanding "up"
Derive an expression for the subsequent concentration of sodium chloride c in terms of c0, t, Q, and V. Make a sketch of c versus t and label the main features.
Patients suffering from respiratory disorders are often treated in oxygen tents in which the atmosphere is enriched in oxygen. What is the partial pressure of O2 in an oxygen tent consisting of 45% O2 for an atmospheric pressure of 753 mm Hg?
if 8.40 grams of C are burned, how much heat will be released for the following balanced reaction: C + O2 -> CO2 + heat (393 KJ)
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