Uv
u
quick check
u
smyynukcucluis
use this oxidation-reduction reaction to answer questions about half-reactions:
mg + 2hcl → mgcl2 + h2
classify these half-reactions by typing in "o" for "oxidation half-reaction," "r" for "reduction half-
reaction," and "n" for "neither."
hci-mgcl2
mg mgcl2 + 2e
2hci + 2e → h2
done
intro
-
-
-

Which statement describes evidence of a chemical reaction? a) ice melting eliminate b) water boiling c) lighting a match d) grape juice freezing

Will mark brainliest 26. which of these statements are true? (3 points) a. gases are compressible b. gases fill their containers completely c. the pressure of a gas is independent of the temperature d. gases have mass e. gases exert pressure f. the pressure of a gas is dependent on the volume g. gas pressure results from the collisions between gas particles h. gases have a definite volume and shape

What term is applied to a scientist who studies ancient life, including animal and plant fossils a. anthropologist b. dendroclimatologist c. geophysicist d. paleontologist