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In the chemical process called electron transfer, an electron is transferred from one atom or molecule to another. A simple electron transfer reaction is
A(g) + A(g) → A+(g) + A-(g)
In terms of the ionization energy and electron affinity of atom A, what is the energy change for this reaction? For a representative nonmetal such as chlorine, is this process exothermic? For a representative metal such as sodium, is this process exothermic?
Given the following vapor pressures at 20 degrees Celsius, arrange the compounds in order of increasing boiling point: butane, 1,650 mm Hg; acetaldehyde, 740 mm Hg; Freon-113, 284 mm Hg.
When 0.234 g of the hydrate Cr2(SO4)3•xH2O is heated, 0.128 grams of anhydrous Cr2(SO4)3 remains. What is the value of x in the formula for the hydrate
a 125 g metal block at a temperature of 93.2 Celsius degree was immersed in 100. g of water at 18.3 celsius degree. given the specific heat of the metal (Cp = 0.900 J/g Celsius), find the final temperature of the block and the water.
Choose the answer in which the two atoms are listed in order of increasing ionization energy
Consider a saturated solution of calcium fluoride in 0.092 M potassium nitrate. Complete the following tasks, and then answer the question. a) Write the chemical equation corresponding to Ksp.
Calculate the volume of glacial acetic acid (17.6 M) and weight of sodium acetate (mm = 82.03) that is required to make 102 ml of 0.2 M buffer at pH 4.85. The Ka of acetic acid is 1.4 x10^-5.
Would you expect Cobalt(III) Acetylacetonate to be a diamagnetic or paramagnetic compound
The following graph shows two different reaction pathways for the same overall reaction at the same temperature. Which pathway is slower? Why? How can there be two different reaction pathways for the same reaction at the same temperature? Discuss.
A radiation detector exposed to sunlight records the energy falling on a given area each unit time. If such a detector has a reading of .430 cal cm^-2 min^-1, how many photons of sunlight are striking each cm^2 in one minute? Assume the average wa..
Based on the sterochemistry of the addition of bromine to cinnamic acid, write the structure of the dibromide product(s) that you think will be formed as the result of the reaction of Z-2-pentene with bromine
Determine the pH of a solution containing A) neglecting activities. B) including activities The solution contains BOTH chemicals
The value of Ka for nitrous acid (HNO2) at 25 °C is given in Appendix D. Write the chemical equation for the equilibrium that corresponds to Ka. By using the value of Ka, calculate ?G° for the dissociation of nitrous acid in aqueous solution.
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