Explanation:
Number of moles(n)=Number of atoms(N)/Avogadro's constant.
Avogadro's constant=6.02×10²³
so we have
n=9.05×10²³/6.02×10²³
n=1.0503moles.
n=mass/molar mass
1.0503=mass/28
mass=1.0503×28
mass=29.4084g
<span>Warmer air is pushed upward and out of the way by cooler air.</span>
Answer:
The mitochondria change energy in organic compounds into a
form the cell can use.
The chloroplasts take in energy from sunlight and change it into
organic matter.
Explanation:
Answer:
B)the liquid level in a capillary tube will rise above the surrounding liquid and the surface in the capillary tube will have a concave meniscus
