Chemistry, 04.02.2021 22:10 pringlexavier798
You use a microwave to heat your dinner. The frequency of the radiation is 2.37 x 109 cycles/sec. What is the energy of one photon? Planck’s constant! h=6.63 x 10-34 J -sec
Answers: 3
Chemistry, 22.06.2019 12:30
Nebulae are enormous clouds in outer space. they are made mostly of hydrogen gas, helium gas, and dust. some nebulae glow brightly, while others do not. the stars that people see are huge, bright balls of glowing gas. they are made mostly of hydrogen and helium. which statement correctly describes other ways in which nebulae and stars are different? a. stars can form inside a nebula but a nebula can never be produced by any star. b. a star always has a higher density than a nebula. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star.
Answers: 3
Chemistry, 23.06.2019 10:00
How many grams of cupric sulfate pentahydrate are needed to prepare 50.00 ml of 0.0800m cuso4× 5h2o?
Answers: 3
Chemistry, 23.06.2019 14:00
Aracehorse with a kinetic energy of 78,750 j is clocked at 17 m/s when it crosses the finish line. what is the horse's mass?
Answers: 2
You use a microwave to heat your dinner. The frequency of the radiation is 2.37 x 109 cycles/sec. Wh...
History, 13.07.2019 18:00
Spanish, 13.07.2019 18:00
Social Studies, 13.07.2019 18:00
Mathematics, 13.07.2019 18:00
English, 13.07.2019 18:00
Physics, 13.07.2019 18:00
Mathematics, 13.07.2019 18:00
Computers and Technology, 13.07.2019 18:00
Mathematics, 13.07.2019 18:00