How do chemical sedimentary rocks form?
Options: heat and pressure, evaporation of shallow sea water, layering of fossil sediments, colliding mountains.
The answer is evaporation of shallow sea water.
Gneiss is a metamorphic rock that is formed when granite is subjected to extreme heat and pressure. This occurs in when:
Options: shallow seas evaporate mountains, collide fossil sediments form layers, magma cools and hardens underground
The answer is magma cools and hardens underground.
Answer:
<h3>The answer is 8.00 moles</h3>
Explanation:
To find the number of moles in a substance given it's number of entities we use the formula

where n is the number of moles
N is the number of entities
L is the Avogadro's constant which is
6.02 × 10²³ entities
From the question we have

We have the final answer as
<h3>8.00 moles</h3>
Hope this helps you
Answer:
124.98
Explanation:
The molar mass of phosphorus, M=PVwRT=1×34.05×10−30.0625×0.08314×819=124.98.