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Alinara [238K]
3 years ago
15

Single Replacement EquationsPlease Help! Need all 5 solved

Chemistry
1 answer:
mario62 [17]3 years ago
7 0
1. 1 2 1 2

2. 2 1 1 1

3. 2 2 2 1

4. 1 2 1 2

5. 2 3 2 3
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What happens when an object heats up? what happens when an object cools down?
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Answer:

Heat will flow from the hotter object to the colder. The molecules in the hotter object will slow down and the molecules in the colder object will speed up. Eventually they will get to the point where they have the same temperature. This happens all the time around you.

Explanation:

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Describe the Huang River. Why is it important?
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The Yellow River is the most important water resource for the dry north of China, playing an irreplaceable role in economic development, and agriculture. Since 1960 over 14 dams have been constructed on the river for hydroelectric power, which is vital to northern China's infrastructure.
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Suppose you work for a government office that needs to find a suitable place to bury barrels of poisonous liquid wastes. The soi
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Answer:

The correct answer is clay rich soil

Explanation:

because the clay soil has high porosity than sand for example, as the porosity is inversely proportional with the grain size of the sediment . and the more porosity the soil has , the high amount of water that can be hold by it.

so the clay rich soil can hold high amount of water more than any sediment soil    

also the clay rich soil has a low permeability that means it rarely pass the water which it holds through it , because the clay is impermeable rock and the ability to pass liquids through its layer is very hard

So this is the good one

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3 years ago
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How can the molar mass of a gas can be determined
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By applying the ideal gas law, PV=nRT
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At the top of a mountain, the pressure is found to be 0.52 atmospheres. How does this compare to standard atmospheric pressure a
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14.70 psi at sea level
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1.000276 atmospheres at sea level

Hope this helps
:)
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