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Liono4ka [1.6K]
2 years ago
11

Explain how wind and water can create a sand dune along an ocean beach

Chemistry
1 answer:
Nady [450]2 years ago
6 0

Answer: A dune is a mound of sand formed by the wind, usually along the beach or in a desert.  Dunes can also be formed by strong currents beneath the water.

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How many joules of heat are required to heat 100.0g of room temperature water to the boiling point
Yuri [45]

Answer:

To convert 100.0 g of water at 20.0 °C to steam at 100.0 °C requires 259.5 kJ of energy. Let me know if this helped?

4 0
2 years ago
What type of ions do metals produce?​
Xelga [282]

Answer:

Ionic bonds

Explanation:

It rymes.  haha i dont even know how to spell it! ;)

8 0
3 years ago
2C8H18 (1) + 2502 (g) --> 16CO2 (g) + 18H2O (g)
Makovka662 [10]

Answer:

One gallon of octane produces approximately 7000 L of carbon dioxide.

Note:

I believe that the mass of octane should have been given as 2661 g. However, I understand that your instructor probably gave you this problem, so I will use 4000 g for the approximate mass of one gallon of octane. You can rework the problem on your own, substituting the correct masses of octane if you wish.

Step1. You must first determine the number of moles that are in 4000 g of octane, using the molar mass of octane. Step 2. Then you must determine the number of moles of carbon dioxide that can be produced by that number of moles of octane, based on the mole ratio between octane and carbon dioxide in the balanced equation. Step 3. Then use the ideal gas law to determine the volume in liters of carbon dioxide that can be formed.

5 0
2 years ago
What the different betwen observe and reference
NNADVOKAT [17]
Observe to to gather facts, by paying close attention towards what you are working on.

meanwhile, reference is the act or process on reaching to your conclusion, based on facts you already know .
7 0
3 years ago
Explain how a motorcar engine produces nitrogen oxides
olya-2409 [2.1K]

Answer: combustion causes a chemical reaction between nitrogen and oxygen in the engine.

Explanation:

Nitrogen oxides are produced in combustion processes, partly from nitrogen compounds in the fuel, but mostly by direct combination of atmospheric oxygen and nitrogen in flames. Nitrogen oxides are produced naturally by lightning, and also, to a small extent, by microbial processes in soils.

4 0
3 years ago
Read 2 more answers
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