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Westkost [7]
3 years ago
14

On a shade-grown coffee plantation, smaller coffee plants grow in the shade of forest trees. The practice produces fewer coffee

beans than growing coffee in full sun, but it is more sustainable because it provides habitat for forest birds. What is one drawback of growing coffee in the shade?
A. It reduces habitat for native species.

B. It costs more than other growing methods.

C. It increases the variety of crops on a farm.

D. It provides farmers with greater profits.
Chemistry
2 answers:
Tresset [83]3 years ago
5 0

The correct answer is B.

A can not be true because it provides habitats for birds

C can not be true because that is not a drawback

D can not be true because that is also not a drawback

Margaret [11]3 years ago
4 0

Answer: B. It costs more than other growing methods.

Explanation:

B.It costs more than other growing methods.  is the correct option because growing coffee in a shade requires a particular set up like plastic or tin shade whose cost will be more. Also although the it is sustainable for providing a shelter to the forests birds but special measures should be taken so that these coffee plants remain unaffected by the bird population. Hence, it will cost more than the conventional method of farming coffee.

 

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The reaction between the reactants would be:

CH₃NH₂ + HCl ↔ CH₃NH₃⁺ + Cl⁻

Let the conjugate acid undergo hydrolysis. Then, apply the ICE approach.

             CH₃NH₃⁺ + H₂O → H₃O⁺ + CH₃NH₂
I                0.11                       0             0
C               -x                          +x           +x
E            0.11 - x                     x             x

Ka = [H₃O⁺][CH₃NH₂]/[CH₃NH₃⁺]

Since the given information is Kb, let's find Ka in terms of Kb.

Ka = Kw/Kb, where Kw = 10⁻¹⁴

So,
Ka = 10⁻¹⁴/5×10⁻⁴ = 2×10⁻¹¹ = [H₃O⁺][CH₃NH₂]/[CH₃NH₃⁺]
2×10⁻¹¹ = [x][x]/[0.11-x]
Solving for x,
x = 1.483×10⁻⁶ = [H₃O⁺]

Since pH = -log[H₃O⁺],
pH = -log(1.483×10⁻⁶)
<em>pH = 5.83</em>


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How many molecules are there in 79g of Fe2O3? how many atoms is this?
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Another advantage of advantage of using a microspectrophotometer to analyze fibers asides not causing damage to the sample is that the sample can be quite small.

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