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SVEN [57.7K]
3 years ago
10

An embankment is best defined as __________. A. the process of cutting down all of the trees and plant life in an area, with no

care given to the sustainability of the forest B. the process of farming fish or other marine animals so they can be used as a food source C. a stretch of raised land, often built to help control flooding and the flow of a river D. gray or brown particles that cloud the air and that are caused by dust, smoke, or pollution Please select the best answer from the choices provided
Chemistry
2 answers:
jek_recluse [69]3 years ago
4 0

Answer:

C. A stretch of raised land, often built to help control flooding and the flow of a river.

Explanation:

Embankments are made typically of construction adjacent to the river from spoil excavated from its bank.

muminat3 years ago
3 0

Answer:

C. a stretch of raised land, often built to help control flooding and the flow of a river

Explanation:

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A substance that is ______ will NOT dissolve in a solvent. A) freezing B) insoluble C) evaporating D) soluble
Alexxandr [17]

Answer:

insoluble

Explanation:

4 0
3 years ago
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The osmotic pressure of a solution formed by dissolving 35.0 mg of aspirin (c9h8o4) in 0.250 l of water at 25°c is __________ at
Lunna [17]
Mass of aspirin = 0.025 g
Molar mass of C9H8O4 is 180.1583 g/mol
moles of aspirin = .025g / 180.1583 g/mol = 0.000138767 moles
volume solution = .250 L
molarity of the solution = 0.000138767 moles / .250L =5.551 x 10 ^-04 Moles / liter
for aspirin i = Vant'Hoff factor = 1 particle in solution
T = 25 + 273 =298 K
osmotic pressure = M x R x T x i =
5.551 x 10 ^-04 mole L -1 x 0.08206 L atm K−1 mol−1 x 298 K x 1 = 0.0136 atmospheres
6 0
2 years ago
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An electron ______ is an area around the nucleus of an atom where an electron is likely to be found.
jek_recluse [69]

Answer:

orbital

hope this helps! <3

4 0
2 years ago
A diver has a lung capacity of 2.4 L when the pressure is 0.8 atm. What is the volume of the diver’s lungs when the pressure cha
tangare [24]

Answer:

The final volume is 1.6 L.

Explanation:

It is given that,

A diver has a lung capacity of 2.4 L when the pressure is 0.8 atm. We need to find the volume of the diver’s lungs when the pressure changes to 1.2 atm. Let V₂ is volume.

It is based on Boyle's law. According to this law,

PV=K

K is constant

P_1V_1=P_2V_2

V_2=\dfrac{P_1V_1}{P_2}\\\\V_2=\dfrac{0.8\times 2.4}{1.2}\\\\V_2=1.6\ L

So, the final volume is 1.6 L.

7 0
3 years ago
Give 2 reasons why is copper used for electrial wires ​
adoni [48]

Answer:

Copper electrical wires are safer to use than wires made of most other conductive metals because they are resistant to heat. As you can see, copper is the preferred metal for electrical wires for several reasons. It has high electrical conductive; it's inexpensive; it's ductile; and it's thermal resistant.

4 0
3 years ago
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