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The radius of an atom of gold (Au) is about 1.35A0
(a) Express this distance in nanometers (nm) and in picometers (pm).
(b) How many gold atoms would have to be lined up to span 1.0 mm?
(c) If the atom is assumed to be a sphere, what is the volume in cm3 of a single Au atom?
Use the values from the table of reduction potentials on the last page to determine ?Gº and Keq for the reaction as listed below.
Explain in detail how much heat is absorbed/released when 30.00 g of NH3(g) reacts in the presence of excess O2(g) to produce NO(g) as well as H2O(l) according to the following chemical equation? 4 NH3(g) + 5 O2(g) ? 4 NO(g) + 6 H2O(l) ?H° = 1168 k..
The volume of the container is 2 ft 3 .Calculate the volume of gas in the container?
Explain if a total of 13.5 mol of NaHCO3 and 4.5 mol of C6H8O7 react, how much moles of CO2 and Na3C6H5O7 will be produced
Question: Why is it that that cinnamic acid and urea have similar melting point ranges when pure, why do the impure mixtures have a lower melting point?
Methyl orange is made by diazotizing the sodium salt of sulfanilic acid (p-aminobenzenesulfonic acid) followed by coupling with N,N-dimethyl aniline. Write equations for these reactions,giving the structure of methyl orange.
An engineer was trying to minimize greenhouse gases from car exhaust and was studying the gases that come from the trail pipe of a car at 800K.
Determine the molarity of a saturated aqueous solution of NaI formed as 25degree celsius assuming that the added NaI does not add significantly to the volume of the water?
Iodine-131 has a half-life of 8.0 days. If a person ingests 2.5 mg of NaI labeled with iodine-131, how much of the radioactive isotope remains in the body after 30. days
Problem- You have 500mL of a buffer solution containing 0.20M acetic acid (CH3COOH) and 0.30M sodium acetate (CH3COONa). What will the pH of this solution be after the addition of 20mL of 1.00M NaOH solution. (Ka = 1.8E-5)
In the addition of bromine to trans-anethole the reason more anti rather than syn addition product is formed is that. There is probably some satiric hinderance taking place between substituents attached to the double bonded carbons.
1.36 grams of pure anhydrous sodium carbonate was dissolved in distilled water and made up to 250.0mL. 20.00mL of this solution required a 19.60mL liter of a hydrochloric acid solution for complete neutralization. Compute the concentration of the ..
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