Chemistry, 30.07.2019 02:00 kylierice1
#1: a material has a density of 8.9 g/cm^3. you have six cubic centimeters of the substance. what is the material’s mass in grams? a. 3.0 g b. 5.9 g c. 27 g d. 53 g **idk i think it is either c. 27 g or d. 53 g : /
Answers: 1
Chemistry, 21.06.2019 22:30
Which statement best describes the oxidation numbers of the atoms found in magnesium chloride? a. magnesium has a 2- oxidation number and chlorine has a 1+ oxidation number. b. magnesium has a 2- oxidation number and chlorine has a 2+ oxidation number. c. magnesium has a 2+ oxidation number and chlorine has a 1- oxidation number. d. magnesium has a 1+ oxidation number and chlorine has a 1- oxidation number.
Answers: 2
Chemistry, 22.06.2019 23:00
What does a numerical subscript following an element in a chemical formula mean?
Answers: 1
Chemistry, 23.06.2019 04:10
Two solids are mixed in a flask and stirred. after a few minutes, the flask becomes cold. which of the following best describes this reaction? a. an exothermic reaction b. a combustion reaction c. an endothermic reaction d. a decomposition reaction
Answers: 1
#1: a material has a density of 8.9 g/cm^3. you have six cubic centimeters of the substance. what i...
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