Chemistry, 27.02.2021 21:20 jakepeavy70
1. is 7,9-di-tert-butyl-1-oxaspiro[4,5]de ca-6,9-diene-2,8-dione toxic? and why
2. is 2-(2-butoxyethoxy)ethoxy , TMS derivative toxic and why?
3. is pentasiloxane, dodecamethyl toxic and why?
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Stage in which a starβs outer layers have started to cool and grow outward?
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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.
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Chemistry, 22.06.2019 13:30
Which statements are true concerning mineral formation? check all that apply. the slower the cooling, the larger the crystals. the faster the cooling, the smaller the crystals. crystals formed from magma are smaller than crystals formed from lava. minerals can only form in solutions when the solution is heated deep underground. when a solution cools, elements and compounds leave the solution and crystallize as minerals. minerals formed from hot water solutions can form narrow channels in the surrounding rock.
Answers: 1
1. is 7,9-di-tert-butyl-1-oxaspiro[4,5]de ca-6,9-diene-2,8-dione toxic? and why
2. is 2-(2-butoxyet...
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