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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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3 years ago
Balance the equation, Al203 + H2S04 to Al2(S04)3 + H20
lubasha [3.4K]

It is 1-3-1-3

so 1Al2O3 + 3H2So4 ---> 1Al2(So4)3 +  3H2O

8 0
3 years ago
4. What is the total mass of ice that can be vaporized by 2100 kJ of heat energy?
anygoal [31]

Answer:

5 g

Explanation:

The heat required to vaporize ice is the sum of

i) Heat required to melt ice at 0°C

ii) Heat required to raise the temperature from  0°C to 100°C

iii) Heat required to vaporize water at 100°C

Thus;

H = nLfus + ncθ + nLvap

H= n(Lfus + cθ + Lvap)

Lfus = 6.01 kJ/mol

Lvap = 41 kJ/mol

c = 75.38

n =?

2100 = n(6.01  + 75.38(100) + 41)

n = 2100 KJ/7585.01 kJ/mol

n = 0.277 moles

Mass of water = number of moles * molar mass

Mass of water = 0.277 moles * 18 g/mol

Mass of water =  5 g

3 0
3 years ago
Plsplsplsplsplsplsplsplsplspls help
MA_775_DIABLO [31]

Answer:

this is difficult but simple to answer

Explanation:

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6 0
3 years ago
One mole of an ideal gas<br><br> occupies a volume of 22.4<br><br> liters at
-Dominant- [34]

Answer : One mole of an ideal gas  occupies a volume of 22.4  liters at STP.

Explanation :

As we know that 1 mole of substance occupies 22.4 liter volume of gas at STP conditions.

STP stands for standard temperature and pressure condition.

At STP, pressure is 1 atm and temperature is 273 K.

By using STP conditions, we get the volume of 22.47 liter.

Hnece, the one mole of an ideal gas  occupies a volume of 22.4  liters at STP.

3 0
3 years ago
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