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BabaBlast [244]
3 years ago
14

After severe dust storms in the 1930s, practices were put in place to reduce soil erosion. Which

Chemistry
2 answers:
timurjin [86]3 years ago
5 0

Answer: Farmers were paid to practice soil-conserving techniques like crop rotation and terracing

Explanation:

read about it here: https://www.pbs.org/wgbh/americanexperience/features/dust-bowl-surviving-dust-bowl/

kramer3 years ago
3 0

Answer:

keep the soil wet

Explanation: if the song wet it will not cause as much dust storms

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Convert 18.9 moles to MgCl2 to formula units
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18.9 moles of MgCl2 = 17.834 kg of MgCl2

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2 years ago
Calcium carbide can be made by heating calcium oxide with carbon. How many kj of heat are absorbed in the reaction?
QveST [7]

Answer:

179Kj/mol

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CaO + 3C     ⇒   CaC₂ + CO ₂

The formula for calculating the heat absorbed is:

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Using the heat of formation (∆Hf) for each component in the reaction

∆Hf Cao = -635kj/mol

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The heat absorbed = ( -63 + -393.5) – (-635)

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3 years ago
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