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3 years ago

Explain the process and purpose of strip cropping

1 answer:

5 0

It is used when a slope is too steep or when there is no alternative method of preventing soil erosion. The most common crop choices for strip cropping are closely sown crops such as hay, wheat, or other forages which are alternated withstrips of row crops, such as corn, soybeans, cotton, or sugar beets.

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7. How many grams are there in 2.5 moles of silver?

exis [7]

2.5 moles of silver is 269.6705 grams

4 0

3 years ago

Read 2 more answers

What is the mass of 2.23 × 10^23 atoms of aluminum?

rjkz [21]

Answer:

Explanation:

In image

Take atomic mass or molar mass

of Al =27

7 0

3 years ago

To use the right hand rule, you should point your thumb in the same

Flauer [41]

The Correct Answer is Eletric Current I think

5 0

4 years ago

g Enter your answer in the provided box. If 30.8 mL of lead(II) nitrate solution reacts completely with excess sodium iodide sol

Ronch [10]

Answer:

$M=0.0637M$

Explanation:

Hello,

In this case, the undergoing chemical reaction is:

$Pb(NO_3)_2(aq)+2NaI(aq)\rightarrow PbI_2(s)+2NaNO_3(aq)$

Thus, for 0.904 g of precipitate, that is lead (II) iodide, we can compute the initial moles of lead (II) ions in lead (II) nitrate:

$n_{Pb^{2+}}=0.904gPbI_2*\frac{1molPbI_2}{461gPbI_2}*\frac{1molPb(NO_3)_2}{1molPbI_2} *\frac{1molPb^{2+}}{1molPb(NO_3)_2} =1.96x10^{-3}molPb^{2+}$

Finally, the resulting molarity in 30.8 mL (0.0308 L):

$M=\frac{1.96x10^{-3}molPb^{2+}}{0.0308L}\\ \\M=0.0637M$

Regards.

3 0

3 years ago

Why will frequency decrease when wave gets longer

amid [387]

The frequency will decrease because the waves are getting farther and farther apart and if they and as that happens with shorter and shorter so they decrease

5 0

3 years ago