What energy is required to remove the electron from a hydrogen atom in the n=11 state? Let the constant hcR=13.6 A) 0.11 eV
B) 0.080 eV
C) 0.094 eV
D) 0.14 eV
E) 0.17 eV

Athermometer is removed from a room where the temperature is 70° f and is taken outside, where the air temperature is 10° f. after one-half minute the thermometer reads 60° f. what is the reading of the thermometer at t = 1 min? (round your answer to two decimal places.) ° f how long will it take for the thermometer to reach 30° f? (round your answer to two decimal places.)

Abowling ball rolling down the lane toward the pins has gravitational potential energy. a. no b. a lot of c. a little

(a) if the pressure in gas is doubled while its volume is held constant, by what factor do (i) vrms and (ii) change? (b) is it possible to boil water at room temperature (20oc) without heating it? explain.