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18-31. In formaldehyde, the transition n S p*(T1) occurs at 397 nm, and the n S p*(S1) transition comes at 355 nm. What is the differ- ence in energy (kJ/mol) between the S1 and T1 states? This differ-
answered
May 9, 2021
Chemistry
college
3
votes
233k
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Write the algebraic expression that matches each graph:
answered
May 9, 2021
Mathematics
middle-school
3
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190k
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Help....................10 points
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Apr 15, 2021
English
middle-school
5
votes
169k
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I need help with slopes
answered
Jan 22, 2021
Mathematics
high-school
2
votes
90.3k
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Each of the diagrams below represents a sequence for a tightrope walker. For each one, explain the sequence and find the length of the unknown trick.
answered
Dec 12, 2020
Mathematics
middle-school
1
vote
113k
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What kind of wound occurred when the skin scrapes against a hard surface and tiny blood vessels break in the outer layer of skin
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Sep 17, 2020
Health
college
3
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24.5k
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Find the area of a rectangle with length, l = 4x + 3 and width, w = 4x - 3.
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Aug 19, 2020
Mathematics
middle-school
5
votes
122k
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Define recess appointments
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History
college
3
votes
119k
views
What happens in fall on mars​
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Biology
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2
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