Answer = 23.2146762081 pounds.
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13% of 81 = 10.53
10.53 converted to pounds (lbs) = 23.21......pounds
Answer:
Chemical change
Explanation:
The rusting of iron/a nail is a chemical change
Iron (Fe) and Oxygen (O) combine to create the compound Iron Oxide (Fe2O3), which is rust.
Answer:
Matter is anything that mass and can occupy space.
Atoms are the smallest particles that takes part in a chemical reaction.
A molecule is a that can exist on its own
Answer:
The sound waves travel from the outer ear and in through the auditory canal, causing the eardrum, or tympanic membrane, to vibrate. This, in turn, causes the three small bones, known as the ossicles, or the hammer, the anvil and the stirrup, in the middle ear to move.
The correct answer is: by the transfer of one or more electrons from one atom to another.
