Chemistry, 23.06.2021 14:00 sebasm4842
The absorption spectrum of sodium has a line at 589 nm. What is the energy of this line? (The speed of light in a vacuum is 3.00 x 10^8 m/s, and Planck's constant is 6.626 x 10^-34 Jos.)
A. 8.89 x 10^26 J
B. 5.09 x 10^14 J
C. 3.37 x 10^-19 J
D. 2.96 x 10^18 J
Answers: 1
Chemistry, 22.06.2019 07:40
21. consider the following chemical reaction: n2+ o2 2 no if 10.0 g of n2 reacts with excess oxygen then how many grams of no can be formed? a) 10.7 g b) 21.4 g c) 32.9 g d) 42.8 g page 4 of 8
Answers: 2
Chemistry, 23.06.2019 02:30
what is your question? collegechemistry 5+3 pts in november 1987, a massive iceberg broke loose from the antartic ice mass and floated free in the ocean. the chunk of ice was estimated to be 98 mi long, 25 mi wide, and 750 ft thick. a typical backyard swimming pool contains about 24,000 gallons of water. how many of these pools could you fill from the water in this iceberg? (assume the iceberg is a rectangular solid of the above dimensions and consists of water only). express answer in scientific notation.
Answers: 3
The absorption spectrum of sodium has a line at 589 nm. What is the energy of this line? (The speed...
Mathematics, 20.04.2021 20:40
English, 20.04.2021 20:40
Social Studies, 20.04.2021 20:40
Social Studies, 20.04.2021 20:40
English, 20.04.2021 20:40
Mathematics, 20.04.2021 20:40
Mathematics, 20.04.2021 20:40
Mathematics, 20.04.2021 20:40
History, 20.04.2021 20:40
English, 20.04.2021 20:40