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1. Calculate the degree of ionization of cesium vapor at 10-6 atm at the two temperatures 2260 K and 2520 K.
2. Calculate the degree of ionization of calcium vapor in the sun's chromosphere. The temperature and pressure of the suns chromosphere are approximately 6000K and 10-10 atm, respectively.
Alcohols can be oxidized by chromic acid derivatives. One such reagent is pyridinium chlorochromate, (C5H5NH )(ClCrO3-), commonly known as PCC
Show the bond angles which are at least slightly different that are shown by the H2CCBr2 molecule.
High-purity benzoic acid (C6H5COOH; delta H rxn for combustion= -3227 KJ/mol) is used as a standard for calibrating bomb calorimeters. A 1.221-g sample burns in a calorimeter (heat capacity= 1365 J/degrees Celsius) that contains exactly 1.570 kg o..
In a calorimeter, 10 g of ice absorbs heat with an enthalpy of fusion of 334 J/g. What is the heat absorbed.
the following shows the connectivity of atoms only. Atoms other than carbon and hydrogen are labeled. how many degree of unsaturation are pressent in the compound. chose one of the following answers
Question- A gas at a temperature of 85 degrees C occupies a volume of 175 mL. Assuming constant pressure, determine the volume at 15 degrees C.
In the coordination compound K2[Co(en)Cl4] the coordination number (C.N.) and oxidation number (O.N.) of Cobalt are C.N. = 6; O.N. = +2. C.N. = 6; O.N. = +3. C.N. = 5; O.N. = +2. C.N. = 5; O.N. = +4. C.N. = 4; O.N. = +3.
Determine the boiling point of a solution that contains 78.8g of naphthalene (C10H8, molar mass = 128.16g/mol) dissolved in 722 mL of benzene (d= 0.877g/mL. Pure benzene has a boiling point of 80.1degree C and a boiling point elevation constant of..
an adult person radiates heat to the surroundings at about the same time as a 100-watt lightbulb. what is the total amount of energy in kcal radiated to the surroundings by an adult in 24 hrs?
A radioactive isotope of element X has a mass number of 79. The most stable isotope of this element has a mass number of 72. Explain the most likely mode of decay for the radioactive isotope is
One mole of an ideal monatomic gas initially at 300K is expanded from an initial pressure of 10 atm to a final pressure of 1 atm. Calculate change in E, q, w, and change in H and the final temp if the expansion is carried out according to each of ..
CCl2F2 can be recycled into a different compound by reaction with hydrogen to produce CH2F2, a compund useful in chemical manufacturing.
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