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Chemistry, 21.06.2019 22:00, creepycrepes
Which function is performed by earths atmosphere? a. ultraviolet rays are prevented from reaching the ozone layer. b. earths temperature is raised and moderated by trapping in heat c. charged particles from the sun are prevented from reaching earth. d. magnetic charges from space are prevented from reaching earths surface.
Answers: 2
Chemistry, 22.06.2019 01:40, janelisse199820
Non renewable resources like petroleum eventually
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Chemistry, 22.06.2019 09:40, gonzaleze18
In the lab, ammonia was mixed with water to form ammonium hydroxide. what is/are the reactant(s)? o water and ammonia o ammonia o ammonium hydroxide need
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Chemistry, 22.06.2019 12:00, BreBreDoeCCx
Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal. b. he is determining chemical properties that are sufficient to identify the metal. c. he is determining physical properties that are insufficient to identify the metal. d. he is determining chemical properties that are insufficient to identify the metal.
Answers: 3
What concentration of aqueous Ba(OH)2 yields a pH of 9.0? A) 1x10−5 M B) 2x10−5 M C) 5x10−6 M D) 1x1...
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