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1 year ago

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Science

1 answer:

Anna11 [10]1 year ago

8 0

If an apple orchard is sprayed with pesticide/herbicide chemicals and the other is not sprayed, then the field with chemicals likely has the most apples.

<h3>What are pesticides and herbicides?</h3>

Pesticides and herbicides are chemical compounds that allow obtaining a higher yield for different types of crops when applied properly and they do not suppose health problems.

In conclusion, If an apple orchard is sprayed with pesticide/herbicide chemicals and the other is not sprayed, then the field with chemicals likely has the most apples.

Learn more about pesticides and herbicides here:

brainly.com/question/1417581

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Nitrogen gas consists of _____.

Anni [7]

Nitrogen gas consists of a diatomic nitrogen atom. So, the correct answer is B.

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3 years ago

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A latex balloon at sea level and room temperature (25°C) has a volume of 2.42 L. When the balloon is released by the child holdi

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Answer:

The answer to your question is: V2 = 1.94 l

Explanation:

Data

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P2 = 1(0.7) = 0.7 atm

Formula

P1V1/T1 = P2V2/T2

Clear V2 from the equation

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3 years ago

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2 years ago

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A sample of 211 g of iron (III) bromide is reacted with

Alisiya [41]

FeBr₃ ⇒ limiting reactant

mol NaBr = 1.428

<h3>Further explanation</h3>

Reaction

2FeBr₃ + 3Na₂S → Fe₂S₃ + 6NaBr

Limiting reactant⇒ smaller ratio (mol divide by coefficient reaction)

FeBr₃

211 g of Iron (III) bromide(MW=295,56 g/mol), so mol FeBr₃ :

$\tt n=\dfrac{mass}{MW}\\\\n=\dfrac{211}{295,56}\\\\n=0.714$

Na₂S

186 g of Sodium sulfide(MW=78,0452 g/mol), so mol Na₂S :

$\tt n=\dfrac{186}{78.0452}=2.38$

Coefficient ratio from the equation FeBr₃ : Na₂S = 2 : 3, so mol ratio :

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$\tt \dfrac{6}{3}\times 0.714=1.428$

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3 years ago

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