In the reaction 2Al + 3F2? 2AlF3, the aluminum
a. is reduced.
b. gains electrons.
c. is oxidized.
d. is the catalyst.
c
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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?
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?
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How long is a day on Mars?
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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?
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