Answers: 1
Physics, 22.06.2019 05:00
Modern physics a photon emitted from an excited hydrogen atom has an energy of 3.02 electron volts. which electron energy-level transition would produce this photon? a. n=1 to n=6 b. n=2 to n=6 c. n=6 to n=1 d. n=6 to n=2 i chose b but the correct answer is d can someone tell me why? and what's the difference?
Answers: 1
Physics, 22.06.2019 06:30
2kg of refrigerant 134a undergoes a polytropic process in a piston-cylinder assembly from an initial state of saturated vapor at 2 bar to a final state of 12 bar, 80 degree c. a)determine the work for the process in kj. b)sketch the process on a p-v diagram.
Answers: 2
Physics, 22.06.2019 16:30
The ph is the a.independent variable b.the dependent variable c.control group
Answers: 1
Physics, 23.06.2019 00:20
The brightest star in the night sky in the northern hemisphere is sirius. its distance from earth is estimated to be 8.7 light years. a light year is the distance light travels in one year. light travels at a speed of 3.00 ร 108 m/s. calculate the distance from earth to sirius in miles. (1 mi = 5280 ft) g
Answers: 2
A 1500kg car start from rest and increases it velocity to 30mls in a time of 25sec. calculate the di...
English, 25.08.2019 17:30
Mathematics, 25.08.2019 17:30
Chemistry, 25.08.2019 17:30
History, 25.08.2019 17:30
History, 25.08.2019 17:30
English, 25.08.2019 17:30
Chemistry, 25.08.2019 17:30
English, 25.08.2019 17:30
Mathematics, 25.08.2019 17:30
Mathematics, 25.08.2019 17:30
History, 25.08.2019 17:30
Mathematics, 25.08.2019 17:30