Answer:
- <u><em>Option A.) 2 ppm</em></u>
Explanation:
<u><em>60 particles in 30 million</em></u> can be expressed as a fraction:
And, dividing both numerator and denominator by 30, that can be simplified as:
That means 2 particles of sulfur dioxide in 1 million particles of sample, which is 2 parts per million or<u> 2 ppm</u>, which is the option A.
Answer:
The rice will move
Explanation:
the sound vibration and waves will cause the rice to move
Answer:
These are the correct ones:
- Reduction is the gain of electrons, and oxidation is the loss of electrons
- The reactant that is oxidized is also called the reducing agent, and the reactant that is reduced is called the oxidizing agent.
Explanation:
The oxidant is reduced because it picks up electrons to oxidize another substance, while the reducing agent oxidizes because it loses electrons to be able to reduce another substance.
The sum of all the oxidation numbers in a compound is ALWAYS 0.
