Chemistry, 28.06.2019 14:00 linnialmira
Nan experiment, chemists heated a solid, red substance in a test tube. vapors from the heated red substance condensed as a metallic liquid on the side of the tube. the red substance eventually disappeared, leaving only the metallic liquid and producing a gas that escaped from the tube. which statement best describes what happened to the red substance in this experiment? a. the experiment demonstrates the formation of plasma from the red substance. b. the experiment demonstrates a physical property of the red substance. c. the experiment shows that the red substance experienced a chemical change. d. the experiment shows that the red substance can be a solid, liquid, or gas. e. the experiment shows that the red substance is an element.
Answers: 1
Chemistry, 22.06.2019 06:00
An atom of lithium (li) and an atom of chlorine (cl) engage in a chemical reaction. which correctly describes the structure of the resulting chemical compound? hint: consider the class of each element. the chemical compound will have a network structure. the chemical compound will have triple bonds. the chemical compound will have a ball-and-stick structure. the chemical compound will have double bonds.
Answers: 2
Chemistry, 22.06.2019 11:10
Which of the following shapes would represent a molecule with two bonded atoms and 3 lone pairs on only one of them , trigonal planar , bent , trigonal pyramidal , linear
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Chemistry, 22.06.2019 14:20
You have a liquid that exhibits diltancy. you want to pour it from a bottle. what should you do to the bottle before pouring
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Chemistry, 22.06.2019 20:30
Calculate the percent composition by mass of each element in al(oh)3. use at least three significant figures.
Answers: 1
Nan experiment, chemists heated a solid, red substance in a test tube. vapors from the heated red su...
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