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The rate constant for the reaction 2N2O5(g) → 4NO2(g) + O2(g) is k = 3.38x10-5/s at 25oC. a) Enter the half-life of N2O5 in seconds. Use two significant figures and do not enter units. b) Enter the total pressure in kPa 10 seconds after initiation of the reaction if initially there was 88.3kPa of pure N2O5 vapor. Use two significant figures and do not enter the units. c) Enter the total pressure in kPa 10 minutes after initiation of the reaction if initially there was 88.3kPa of pure N2O5 vapor. Use two significant figures and do not enter the units.
What is the mole fraction of solute and the MOLAL (MOLALITY NOT MOLARITY!!!!!) concentration for an aqueous solution that is 14.0% NaOH by mass
What mass of NaOH and what volume of water are needed to make 400.g of 3.00% (by mass) solution
What is the maximum body accumulation of methylmercury at a constant ingestion rate of 4 mg of mercury per day?
calculate the ground state energy, the radius of the first Bohr orbit, and the energy and frequency associated with the n=1 to n=2 transition in a mesonic atom.
Predict the product that is formed when methyl 2-(3-oxocyclohexyl)acetate undergoes
The amount of energy needed to heat 2.00 g of carbon from 50.0 C to 80.0 C is 42.6 J. what is the specific heat capacity of this sample of carbon.
nbspconsidering the given equation where keq 0.016 2hig harr h2g i2gnbspa container contains 0.60 m hydrogen iodide
100 mL of 0.06 M TRIS hydrochloride (C4H12ClNO3) is titrated with 1.0 M sodium hydroxide (NaOH). The titration curve is shown. What is the approximate pKa
If you start with 3.50g of aluminum, 1.5mL of 1.4M potassium hydroxide and 25.0mL of 9M sulfuric acid (with excess water), what is the limiting reactant?
Part A: Use Coulomb's law to calculate the ionization energy in kJ/mol of an atom composed of a proton and an electron separated by 221.00 pm. Part B: What wavelength of light would have sufficient energy to ionize the atom
A set of data lists ratios r-/r+ for perfect packing in structures having coordination numbers of four, six, and eight. In practice a range of values for these ratios is observed within a series of compounds having the same structure.
A 20.2 g piece of solid Iron, Fe(s), is heated to 66.1 degrees Celsius and is dropped into a 50.0 g of water at 32.4 degrees Celsius. The specific heat of Fe(s) and water are 0.45 J/gC and 4.184 J/gC, respectively. What is the final temperature of..
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