Chemistry, 08.12.2019 02:31 livirose1514
How did the experiement with the iron filings and sulfur compare with the experiment in which copper sulfate pentahydrate was heated?
both resulted in gas formation.
both resulted in color change.
both involved chemical change.
both involved physical change.
one involved chemical change while the other involved physical change.
Answers: 2
Chemistry, 21.06.2019 19:30
The crust of earth may a- continets and ocean floors. b-continents only. c-layers of sedimentary rocks and continents. d-all of the above
Answers: 2
Chemistry, 22.06.2019 09:00
Chen drew a diagram to compare the ways in which different organisms obtain nitrogen. which label belongs to the area marked z?
Answers: 3
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
How did the experiement with the iron filings and sulfur compare with the experiment in which copper...
History, 18.02.2021 21:10
English, 18.02.2021 21:10
Mathematics, 18.02.2021 21:10
Engineering, 18.02.2021 21:10
Mathematics, 18.02.2021 21:10
Mathematics, 18.02.2021 21:10
Mathematics, 18.02.2021 21:10
Mathematics, 18.02.2021 21:10
Mathematics, 18.02.2021 21:10
History, 18.02.2021 21:10
English, 18.02.2021 21:10