Which of the following is the best definition of a scientific theory?
A.
a broad, well-suppo...
Which of the following is the best definition of a scientific theory?
A.
a broad, well-supported explanation of related observations or events
B.
a description of a natural phenomenon that is always observed to occur under specific conditions
C.
a highly tentative statement about the natural world that is likely to be significantly changed or discarded
D.
a plausible answer to a scientific question that is used to guide research
Answers: 3
Chemistry, 21.06.2019 18:00
Now consider the reaction when 45.0 g naoh have been added. what amount of naoh is this, and what amount of fecl3 can be consumed by it?
Answers: 3
Chemistry, 22.06.2019 12:30
Clyde and marilyn are riding a roller coaster. during which section(s) of the track is their potential energy converted to kinetic energy? a. from point b to point c only b. from point b to point d only c. from point a to point b only d. from point a to point b and from point c to point d
Answers: 1
Chemistry, 22.06.2019 13:30
Which of the following natural processes is most likely to support the formation of an underwater sinkhole? a pollution buildup from deposited minerals b limestone cave collapsing due to changes in sea level c erosion of large amounts of sand moved by ocean waves d oxidation of rock formed by chemical weathering
Answers: 1
Chemistry, 22.06.2019 18:00
Hydrogenation reactions, in which h2 and an "unsaturated" organic compound combine, are used in the food, fuel, and polymer industries. in the simplest case, ethene (c2h4) and h2 form ethane (c2h6). if 140 kj is given off per mole of c2h4 reacting, how much heat (in mj) is released when 12 kg of c2h6 forms?
Answers: 2
Mathematics, 24.03.2020 00:14
English, 24.03.2020 00:14
Mathematics, 24.03.2020 00:14
Mathematics, 24.03.2020 00:14
Mathematics, 24.03.2020 00:14
Physics, 24.03.2020 00:14