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A compound has the empirical formula CHF. A 239-mL flask, at 380. K and 752 torr, contains 0.486 g of the gaseous compound. Give the molecular formula. (Omit states-of-matter from your answer.)
what is the equilibrium pressures for each of the gases if the initial partial pressures are PHF = .500 atm, PH2=1.00x10^-3 atm, and PF2=4.00x10^-3 atm
1. The tires of a car make 65 revolutions as the car slows down uniformly from 100 km/hr to 50 km/hr. The diameter of the tires is 0.80 m.
How many grams of solute are present in each of the following aqueous solutions?
Question- After 47 min 20 % of a compound has decomposed. What is the half life of this reaction assuming first order kinetics
what is the pH of a solution formed by combining 200.0 mL of 0.16 M HCL with 300.0 mL of 0.091 M NaOH at 25 degrees celcius
Carbonic acid is an intermediate step in the transport of CO2out of body. If the pH of blood is 7.4, what percent is carbonic
Calculate the equilibrium constant Kp for the reaction, {rm SO_2 (g) + 2 H_2S (g) rightleftharpoons 3 S(s) + 2 H_2O(g)} at a temperature of 298 rm K
a reaction has a standardfree-energy change of -13.00 kj mol -1 -3.107 kcal mol -1 calculate the equilibrium constant
at room temperature 20 degrees celsiusmilk turns sour in approximately 63 hours. in a refrigerator at 3 degrees celsius
solid NaI is slowly added to a solution that is 0.010 M in Cu+ and 0.010 M in Ag+. which compound will begin to precipitate first?
When 4 g sample of NH4NO3(s) was dissolved in 60 g of water in a coffee-cup calorimeter, the temperature drops from 296 to 291 K.
Explain why the electron affinity of nitrogen is approximately zero, while the elements on either side, carbon and oxygen, have substantial positive electron affinities.
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