In the reaction 2Al + 3F2? 2AlF3, the aluminum
a. is reduced.
b. gains electrons.
c. is oxidized.
d. is the catalyst.
c
You might also like to view...
How long is a day on Mars?
A) 243 Earth days B) about 4.2 Earth days C) 24 hours, 36 minutes D) 23 hours, 56 minutes E) 9 hours, 55 minutes
An alpha particle (6.70 × 10-27 kg, 3.2 × 10-19 Coulomb) travels at 0.965c. What is its: (a) rest energy (in eV)? (b) total energy (in eV)? (c) kinetic energy (in eV)?
What will be an ideal response?
An ideal gas is confined to a container with adjustable volume. The number of moles and temperature are constant. By what factor will the volume change if pressure triples?
a. 1/9 b. 1/3 c. 3 d. 9
If a dense 20.0-kg object is falling in air at half its terminal velocity, what is the drag force on the object at this moment?
a. 24.5 N b. 49.0 N c. 69.3 N d. 98.0 N e. 139 N