Chemistry, 04.02.2020 22:43 hijrjdkfjd
Which of the following best describes a double-replacement reaction?
a. one compound splits up, forming two or more elements or new compounds.
b. atoms in one compound switch places with atoms in another compound.
c. a lone element takes the place of a different element in a compound.
d. two elements join together to form a new compound.
Answers: 3
Chemistry, 22.06.2019 23:30
Imagine a small synthetic vesicle made from pure phospholipids enclosing an interior lumen containing 1 mm glucose and 1 mm sodium chloride. if the vesicle is placed in pure water, which of the following happens faster? a. na+ diffuses out. b. cl– diffuses out. c. h2o diffuses in. d. glucose diffuses out. e. sodium chloride diffuses out.
Answers: 3
Chemistry, 23.06.2019 07:00
The image compares the arrangement of electrons in two different neutral atoms. a figure labeled atom q has a shaded sphere at the center of three concentric circles. the innermost circle has two black spheres. the middle circle has six black spheres. to the left of this figure is another figure labeled atom p. atom p has a shaded sphere at the center of three concentric circles. the innermost circle has two black spheres. the middle circle has seven black spheres. which of the following best explains the position of the two atoms in the periodic table?
Answers: 2
Which of the following best describes a double-replacement reaction?
a. one compound splits u...
a. one compound splits u...
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