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Consider the following reaction. N2(g) + 3H2(g) > 2NH3(g) The initial pressures of the H2 IS 3 atm and the pressure of the N2 IS 2 atm. Which statement is true? N2 is a limiting reagent H2 is a limiting reagent Neither gas is a limiting reagent
what are the lewis dot structures for k2so4 ca3n2 c6h14 c2h4 ch3ch2
The electron in the n = 5 level of a hydrogen atom emits a photon with a wavelength of 1280 nm. To what energy level does the electron move?
If a laser operated on the n=5 to n=2 transition of a H atom, what wavelength in nm photon would be emitted? (E2= -82 kJ/mol, E1= -328 kJ/mol)
assuming that the total pressure of the gases is 1.52 atm and that their mole ratio is 94 4.0 1.5 0.50 calculate the
For the cell as written, what is the voltage after the addition of the following volume of NaI solution? The reduction potential for the saturated calomel electrode is E = 0.241 V. The standard reduction potential for the reaction
What volume of 2.48 M sulfuric acid (in mL) produces 0.334 moles of H+ in the solution? Do not enter units with your answer.
Predict whether the following reactions will be spontaneous in acidic solution under standard conditions.
A 28.0-g sample of water at 290. K is mixed with 51.0 g water at 310. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
A maximum of 1.89 mg of AgCl will dissolve in 1.00 L of solution at 25.0 C. A maximum of 5.26 mg of AgCl will dissolve in 1.00 L of solution at 50.0 C. Use this information to calculate standard enthalpy change and standard free energy change for ..
carbon tetrachloride reacts at high temperatures with oxygen to produce two toxic gases phosgene and chlorine.ccl4g
The Group 5A elements can form molecules or ions with three, five or six covalent bonds. Predict the molecular structure and hybridization of the following substances: NH3, AsCl5 and PF6-. Why doesn't NF5 or NCl6- form
Five hundred liters of a gas are cooled from 20°C to 10°C while the pressure remains constant.what the new volume will be?
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