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What is the frequency of a photon with an energy of 1.99 × 10(19)J? (h = 6.63 × 101356_files/i0050001.jpg J·s)
asked
Jul 2, 2017
Chemistry
high-school
1
answer
3
votes
109k
views
How do you write more than 120 as an inequality
asked
Mar 9, 2017
Mathematics
middle-school
1
answer
3
votes
126k
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