D because the rock is making it lean less to the man so that means the rock has more mass
Answer:
c. The rusting of the joints of a metal children’s swing set.
Explanation:
By definition, chemical property describes the ability of a substance to undergo a specific chemical change.
In the definition above, the key words are; "Chemical change".
Generally, chemical changes are irreversible. This means we just have t observe the options and pick the one that contains an irreversible change.
Upon doing ths, the correct option is;
c. The rusting of the joints of a metal children’s swing set.
This is because rusting is a chemical change and is irreversible.
Answer:

Explanation:
Hello,
Based on the given reaction, since magnesium and water are in a 1:2 molar ratio at the reactants, we must apply the following stoichiometric factors to compute the complete reaction of the 6.0 g of magnesium:

Best regards.
Answer:

Explanation:
Hello!
In this case, since the molar mass of the empirical formula is:

Thus, the ratio of the molecular to the empirical formula is:

Thus, the molecular formula is six times the empirical formula:

Best regards!