2.3 mols of Al*26.98 molar mass of Al=62.054g
nucleus: controls cell
cell membrane: controls what goes in and out of a cell
cytoplasm: where chemical reactions take place
Answer:
The pitch of the sound a person makes is determined by several factors, including the size and tension of his or her vocal cords.
Explanation:
Answer:
Potential energy = 441 N
Explanation:
Given:
Mass M = 15 kg
Height = 3 m
Find:
Potential energy
Computation:
Potential energy = mgh
Potential energy = (15)(9.8)(3)
Potential energy = 441 N