Chemistry

Chemistry, 26.06.2019 20:30, eternelle1182

Which of the following is a compound? select one: a. cl2 b. h2o c. he d. h2

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Chemistry, 01.07.2019 04:50, tmrsavage02p7cj16

An example of a pure substance in everyday life is select one: a. a cola drink b. concrete c. sugar d. pond water a soft drink is an example of a(n) select one: a. compound b. element c. heterogeneous mixture d. homogeneous mixture the best way to understand the submicroscopic world is with select one: a. powerful microscopes b. very accurate measuring devices c. models d. physical properties an example of a chemical formula is select one: a. na b. 4.5 g/ml c. d = 13.6 g/l d. h2so4 which of the following materials cannot be broken down into a simpler form? select one: a. solution b. element c. compound d. mixture how many atoms are present in one unit of sodium sulfate, na2so4? select one: a. 4 b. 7 c. 2 d. 1 which of the following is not an example of a model? select one: a. a floor lamp b. a wind tunnel c. a road map d. a globe matter that is large enough to be seen is select one: a. macroscopic b. massive c. submicroscopic d. a scientific model

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Biology, 04.07.2019 04:30, jasminebrown72

Tristan is given the task of studying the compound co2. before he even begins his research, what information can tristan obtain from the compound's chemical formula alone? select all that apply. 1. he can tell that the compound forms molecules. 2. he can tell the compound has two atoms of carbon and two atoms of oxygen. 3.he can tell that the compound forms networks. 4. he can tell the compound contains one atom of carbon and two atoms of oxygen.

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Chemistry, 17.09.2019 21:00, natebarr17

Tristan is given the task of studying the compound co2. before he even begins his research, what information can tristan obtain from the compound's chemical formula alone? select all that apply. he can tell the compound has two atoms of carbon and two atoms of oxygen. he can tell that the compound forms networks. he can tell the compound contains one atom of carbon and two atoms of oxygen. he can tell that the compound forms molecules.

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Chemistry, 18.10.2019 21:10, isaihcarter

Select the single best answer. choose the best explanation for the following statement by referring to the compound shown. 559d the compound shown has a diastereomer but no enantiomer. the compound shown has no stereogenic centers, but is a meso compound. the compound shown has two stereogenic center and is a chiral compound. the compound shown has two stereogenic centers, but is a meso compound. the compound shown has no stereogenic centers and is an achiral compound.

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Which of the following is a compound? select one: a. cl2 b. h2o c. he d. h2...

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