Chemistry, 27.10.2021 23:20 nerdywolf2003
The speed of light is 2.998 x 108 m/s. What wavelength of light has a frequency of 6.42 x 1019 Hz?
Answers: 3
Chemistry, 22.06.2019 03:00
Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture
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Chemistry, 22.06.2019 06:00
In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 5.35 mol fe and 7.65 mol nio(oh) react?
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Chemistry, 22.06.2019 09:20
What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?
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The speed of light is 2.998 x 108 m/s. What wavelength of light has a frequency of 6.42 x 1019 Hz?...
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