Answer:
4 joules
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Explanation:
We will assume complete dissociation.
Since we have the molarity of OH solution, we can calculate the p(OH) as follows:
p(OH) = -log(molarity of OH) = -log(<span>7.5×10-3) = 2.1249
It is known that: p(H) + p(OH) = 14
Therefore, p(H) can be calculated as follows:
p(H) = 14 - p(OH) = 14 - 2.1249 = 11.875</span>
the correct answer to this question is Webb can capture radiation in the visible spectrum so it can detect black holes.
Answer is: Solid is represented when pulled slowly, liquid when pulled fast, gas when pulled vigorously.
For example, nitrogen molecules have weakest intermolecular bonds in gas phase and move fast and without order.
Cooling is change from liquids to solids. In solid state (for example ice) movement of molecules is more slow than movement of molecules in liquids (for example water).
In solid, molecules are closely packed, stiff and do not changes of shape or volume. Solid object (for example iron) does not take on the shape of its container.
Liquids have definite volume, but no fixed shape.
Gases (for example nitrogen and neon) not have definite volume and fixed shape, it depends on its container.
