it’s the first or last one i believe
The correct way of showing carbon dioxide in the gas phase is b. CO2 (g)
This notation is commonly used in showing chemical reactions wherein the phases of the constituents are important. Gases are denoted by (g), solids are denoted by (s), and liquids are denoted by (l). Aqueous solutions are also denoted (aq).
The hydroponic garden is different than a normal garden because the plants are required to find more components in the soil. One more difference among hydroponic gardening or ordinary gardening is that hydroponics could be complex. fertilizer for hydroponic growing are usually in more immaculate structure than are regular fertilizer.
and
are polyatomic anions composed of two or more atoms.
<h3>What is a polyatomic anion?</h3>
A polyatomic ion is an ion composed of two or more atoms. Examples: The hydroxide cation (
) and the phosphate cation (
) are both polyatomic ions.
and
are the polyatomic anions because both contain more than 1 atom.
Hence,
and
are polyatomic anions composed of two or more atoms.
Learn more about the polyatomic anion here:
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A catalyst is a substance that increases the rate of a chemical reaction without itself being consumed . (ans: second choice)