It is less dense than the liquid below it
Palisades is referred to a line of cliffs formed from eroded volcanic rock and is denoted as option C.
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What is a Cliff?</h3>
This is defined as a type of rock which is usually made of basalt , has a high vertical side and is usually very steep in slope.
Palisades are formed from eroded volcanic rocks which are present in water bodies such as rivers etc and acts a type of barrier and protection in the area such as the Hudson river in the United States.
This is therefore the reason why option C was chosen as the correct choice.
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The molar concentration of NaOH can find out from the molarity of the titrant HCl. The molarity of NaOH is found to be 0.038 molar.
What is molarity?
Molarity is the number of moles of solute per volume of solution in liters. Here, the HCl has the density of 0.7292 g/l and volume 20L . Its mass is calculated as:
mass = density × volume
= 0.7292× 20L
= 14.58.
The molar mass of HCl is 37.5. Thus its number of moles in the solution is 14.58/37.5 = 0.388.
At the end point the number of moles of NaOH and HCl will be equal thus, where the volume of the NaOH solution is 10 ml. Now the molarity can be find out as follows:
molarity = number of moles /volume
= 0.388/10 = 0.038 M.
Hence, the molarity of HCl is 0.038 M.
To find more on molarity, refer here:
brainly.com/question/2817451
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<span>A body that's moving with a negative acceleration is said to be slowing down</span>