Was responsible for first grouping elements into triads based on similar properties.
a. döbere...
Answers: 2
Chemistry, 22.06.2019 03:00
In the 1800s, one of the statements in john dalton's atomic theory was that atoms are indivisible. later experimental evidence led to the discovery of subatomic particles such as neutrons, electrons, and protons. what happened to the indivisible atom part of dalton's atomic theory, and why?
Answers: 3
Chemistry, 22.06.2019 14:50
Complete the following statements to describe solids, liquids, and gases. select the correct answer from each drop-down menu. a solid a definite volume and a definite shape. a liquid a definite volume and a definite shape. a gas a definite volume and a definite shape
Answers: 1
Chemistry, 22.06.2019 17:00
Which statement is true about a catalyst? a: a catalyst decreases the rate of the reaction. b. a catalyst is consumed during a chemical reaction. c. a catalyst lowers the activation energy of a reaction. d. a catalyst increases the reactant concentration during a reaction.
Answers: 1
Chemistry, 22.06.2019 22:30
You just calculated that the heat of fusion for chloromethane is 6400 j/mol. the heat of fusion for hydrogen is 120 j/mol.? which of the following account for this difference? more than one correcta. chloromethane can absorb more energy at the same temperature. b. hydrogen has stronger intermolecular forces than chloromethane. c. hydrogen molecules can pack more closely than chloromethane molecules. d. chloromethane experiences dipole-dipole interactions. e. chloromethane has a higher molar mass than hydrogen.
Answers: 3
History, 09.10.2019 06:00
Biology, 09.10.2019 06:00
Biology, 09.10.2019 06:00
Social Studies, 09.10.2019 06:00
Mathematics, 09.10.2019 06:00
Mathematics, 09.10.2019 06:00
Mathematics, 09.10.2019 06:00
Mathematics, 09.10.2019 06:00
Mathematics, 09.10.2019 06:00
Mathematics, 09.10.2019 06:00
Mathematics, 09.10.2019 06:00
Mathematics, 09.10.2019 06:00
Arts, 09.10.2019 06:00
History, 09.10.2019 06:00