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Utilize hard-sphere collision theory to Compute an upper limit value for the rate constant for energy transfer between O2 and N2 in the troposphere at 340.0 K. Estimated both molecules with spheres whose diameters are 2x the inter nuclear distance for each, which are 1.21 Å nm (O2) and 1.10 Å (N2) respectively. Utilize the exact masses of 16 and 14 amu for O and N, and express the rate constant in the units of (molecule) cm3s-1. Note that 1 Å = 0.1 nm.
This compund has been measured to be 68.47%C and 5.47%H. The rest is oxygen. What is the empirical formula? Specifically, how do you determine O
A chemist titrates 20.00 mL of 0.2000 M HBrO ( Ka= 2.3 x 10^-9) with .1000 M NaOH. What is the pH? A) Before any base is added? B) When [HBrO] = [ BrO-] C) at the equivalence point
Draw an energy-reaction coordinate diagram for both exothermic and endothermic reactions and compare the two. How would temperature changes observed using a calorimeter differ for exothermic and endothermic reactions?
Compare the pH values in the dilution experiment for each of the acids and bases used to the pH detemined for distilled water.
A flask has a mass of 78.16g when empty and 593.56g when filled with water. When the same flask is filled with concentrated sulfuric acid, its mass is 1026.57g. Calculate the density of concentrated sulfuric acid.
Given the following dissolving process: Fe2(SO4)3 (s) = 2Fe3+ (aq) + 3SO42- (aq) How many grams of iron (III) ions are produced when 0.450 moles of sulfate ion are produced
When atoomic orbitals are hybirdized the s orbital and at least one p orbital are always hybirdized. III. to create tetrahedral structures the s orbital and all three p orbitals must be hybirdized.
If the reaction 2 NO(g) + O2(g) ? 2 NO2(g) is carried out at standard conditions, what is the total pressure. What is the temperature under standard conditions
E fraction of water in a solution that is 33.3% by mass ethylene glycol? the molar mass of ethylene glycol, HOCH2CH2OH, is 62.07 g/mol; and that of water is 18.02 g/mol
306 mL of a .208 M solution of silver nitrate will react with 146mL of a .170 M solution of sodium phosphate to produce how many grams of silver phosphate precipitate?
One beaker contains pure water, another contains salt water, and another contains sugar water. How can you tell the which beaker is Which?
Given that the initial rate constant is 0.0130s^-1 at an initial temperature of 20 degree celcius , what would the rate constant be at a temperature of 100 degree celcius
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