Chemistry, 31.01.2020 19:49 rafamoreura
Which of the following represents a chemical change to matter? . a. digestion of food. b. melting an ice cube. c. shredding paper. d. crushing an ice cube
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Chemistry, 22.06.2019 00:00
The p sub shell can hold up to 8 electrons in an atom. true or false?
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Which process transfers heat from inside earth to its surface? convection currents in mantle pulling away of tectonic plates drawing in of tectonic plates convection currents in crust
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Chemistry, 22.06.2019 17:20
The small bags of silica gel you often see in a new shoe box are placed there to control humidity. despite its name, silica gel is a solid. it is a chemically inert, highly porous, amorphous form of sio2. because water vapor readily adsorbs onto the surface of silica gel, it acts as a desiccant. despite not knowing mechanistic details of the adsorption of water onto silica gel, from the information provided you should be able to make an educated guess about the thermodynamic characteristics of the process. predict the signs for δg, δh, and δs for the adsorption of water.
Answers: 2
Which of the following represents a chemical change to matter? . a. digestion of food. b. melting an...
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