The decomposition of N2O5 (g) at 67 °C has a rate constant of 5.80×10⁻³ s⁻¹. 2N2O5 (g) → 4NO2 (g) + O2 (g) A sample of pure N2O5 (g) at a pressure of 4.68 atm undergoes decomposition for 145 seconds. Determine the total pressure within the reaction container at this point. Assume constant volume and temperature.

since the atomic number is the number of protons in the nucleus, as we move to the left on the periodic table, the electrostatic pull between the nucleus and the valence electron shell decreases. as we move down a group (vertical column), the valence shell energy level gets further and further from the nucleus.

the correct answer is b. a strong acid completely dissociates to its ions when dissolved in water. completely dissociates to and ions. a is incorrect because does not fully ionize to and ions and some remain as the compound . c and d are incorrect because, and do not fall into the category of bronsted lowry acids. a bronsted lowry acid is a proton donor and since both molecules do not have a proton to donate they are not bronsted lowry acids. likewise,   if we use the lewis acid definition, they cannot be acids. a lewis acid is an electron pair acceptor. both and have a complete octet so can not accept any electrons which disqualifies them as acids.

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