1. Light with a wavelenght of 102.5nm shines on a hydrogenatom in its ground sta

Question

1. Light with a wavelenght of 102.5nm shines on a hydrogenatom in its ground state.If the lih=ght is absorbed by theatom,what stationary state will the atom end up in? 2.When the tires on your car are at room temperature(20 degreeC) you fill them with air to a pressure of 20 psi. (Careful,thatmeans 20 psi above atmospheric pressure). After driving for a whilethe tire temperature rises to 30 degree C.What is the pressure inthe tires now. Please note that these questions are not from the chapter butwould appreciate if they can be answered 1. Light with a wavelenght of 102.5nm shines on a hydrogenatom in its ground state.If the lih=ght is absorbed by theatom,what stationary state will the atom end up in? 2.When the tires on your car are at room temperature(20 degreeC) you fill them with air to a pressure of 20 psi. (Careful,thatmeans 20 psi above atmospheric pressure). After driving for a whilethe tire temperature rises to 30 degree C.What is the pressure inthe tires now. Please note that these questions are not from the chapter butwould appreciate if they can be answered

Explanation / Answer

1) energy E = hc/ = 12.1 eV = 13.6(1 - 1/n2)eV n = 3.01 answer: 3 2) volume = constant P/T = constant (20 + P0)/(273 + 20) = (P + P0)/(273 + 30),where P0 = 1 atm = 14.7 psi P = 21.2 psi

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