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Problem- A certain atom has a threefold degenerate ground level, a non-degenerate electronically excited level at 3500 cm-1, and a threefold degenerate level at 4700 cm-1. Calculate the partition function of these electronic states at 900 K
I want to know how this is done please show all steps in detail
Then 41.44 g of water, with an initial temp of 76.9 degrees celcius, was added to the calorimeter. The final temperature of the water in the calorimeter was 22.9 degrees celcius. what is the heat capacity of the calorimeter
A solution is prepared by dissolving 270 g of sucrose (C12H22O11) in 624 g of water. What is the vapor pressure of this solution at 30°C? (The vapor pressure of water is 31.8 mmHg at 30°C.)
A copper wire with a mass of 4.32 g reacts with sulfur to form 5.41 g of a copper sulfide compound. a) Determine the number of moles of copper and sulfur in the compound. b) Determine the empirical formula of the product.
Aluminum dissolves in HCL according to the equation written below, whereas copper does not react with HCL: 2Al+6HCL ---> 2AlCl3 + 3H2 a 35 gram sample of copper-aluminum alloy is dropped into .750 L of 3M HCl
Question- A solution is prepared by mixing 50.0 mL of 0.27M Pb(NO3)2 with 50.0 mL of 1.0 M KCl. Calculate the concentration of Pb2+ and Cl- at equilibrium. Ksp for PbCl2 is 1.6 x 10^-5
State whether sulfuric acid is a strong or weak acid and write a fully balanced chemical equation for the dissociation of sulfuric acid in aqueous solution. Hence calculate the pH of a 2.2 x 1-^-3 mol dm^-3 aqueous solution of sulfuric acid.
Describe the preparation of 1 liter of a 0.75 M acetate buffer, pH 4.50, starting from a 1.50 M solution of acetic acid and solid KOH pellets, M.W. = 56 (pKa = 4.75)
The compounds BR2 and ICl have the ame number of electrons, yet Br2 melts at -7.2 C and ICl melts at 27.2 C. Explain.
Question- When (R)-2- bromobutane undergoes reaction with sodium ethoxide in ethanol, the major product is a trans-alkene while the minor product is a cis-alkene. Explain why
question an experimental car uses hydrogen as fuel and the tank that can hold gaseous hydrogen. the designers have two
If one slice of chocolate cake contains 35g of carbohydrate, 15g of fat and 5g of protein, calculate the kilocalories that each slice of cake contains.
A 285- flask contains pure helium at a pressure of 750 . A second flask with a volume of 470 contains pure argon at a pressure of 716 .If the two flasks are connected through a stopcock and the stopcock is opened, what is the partial pressure of h..
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