Answer:
(2) Less than the volume of object b.
Explanation:
1 mL is, by definition, 1cc (cubic centimeter) of water. Therefore if B displaces 15 cc, then its volume is 15. A's volume is cc which is less than 15, so the answer is (2).
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Answer:
Explanation:
To convert from molecules to moles, we must use Avogadro's Number: 6.022*10²³. This tells us the amount of particles (atoms, molecules, etc.) in 1 mole of a substance. In this case, the particles are molecules of water.
Multiply by the given number of molecules.
Flip the fraction so the molecules of water cancel.
The original measurement of atoms has 2 significant figures ( 4 and 3), so our answer must have the same. For the moles we calculated, that is the tenth place. The 4 in the hundredth place tells us to leave the 1.
There are about 7.1 moles of water.
Answer: C. growth
Explanation: because why not