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Chemistry, 22.06.2019 06:30
Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line
Answers: 1
Chemistry, 22.06.2019 11:00
What is the molar mass of a gas that has density of 2.054 g/l
Answers: 2
Chemistry, 22.06.2019 17:30
I'm learning about the periodic tables and what each subject's configuration is. for example, hydrogen is 1s^1, but i don't understand how you get that. can someone me understand how to figure out how to figure this out? sorry if the question makes no sense, but it would really a lot if you could me understand! you so much if you can!
Answers: 1
A compound and an oxidant react to produce heat and a new product in a reaction. [1]
A combustion<...
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