Chemistry, 30.03.2021 06:30 aesmithswhs
Match the words and the definitions (15 points for you, please answer quickly <3)
Question 1 options:
Umbra
Eclipse
Penumbra
Corona
1.
The outer, larger, lighter shadow
2.
During a solar eclipse, the moon covers the sun, a small ring of fire is visible around the edge
3.
to vanish
4.
the inner, darkest, cone-shaped shadow is
Answers: 3
Chemistry, 22.06.2019 19:30
Awoman's basketball has a circumference between 28.5 and 29.0 inches and a maximum weight of 20 ounces (two significant figures). what are these specifications in units of centimeters and grams?
Answers: 2
Chemistry, 22.06.2019 21:00
The rate constant for the reaction below is 6.2 x 10−5 mol l−1 s −1. if the initial concentration of a is 0.0500 m, what is its concentration after 115 s?
Answers: 1
Chemistry, 22.06.2019 22:00
If a solution contains 3 moles/liter of sodium chloride (nacl, made of sodium ions and chloride ions), what is the osmolarity of this solution
Answers: 3
Match the words and the definitions (15 points for you, please answer quickly <3)
Question 1 opt...
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