3 years ago

Why is the use of pesticides on soils and

2 answers:

6 0

The answer is: D.

Pesticides secrete into soils and groundwater which can end up in drinking water, and pesticide spray can drift and pollute the air.

torisob [31]3 years ago

4 0

Answer:

Once it rains the pesticide goes down the runoff and pollute the water

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A beaker contains a small amount of baking soda. A few drops of hydrochloric acid are added to the baking soda. Fizzing and bubb

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Answer:

rfkrie

Explanation:

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3 years ago

How many moles of iron is 6.022 x 10^22 atoms of iron? (Report answer as a number rounded to one place past the decimal.) *

yuradex [85]

<h3>Answer:</h3>

$\displaystyle 0.1 \ mol \ Fe$

<h3>General Formulas and Concepts:</h3>

<u>Math</u>

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

<u>Chemistry</u>

<u>Atomic Structure</u>

Avogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.

<u>Stoichiometry</u>

Using Dimensional Analysis

<h3>Explanation:</h3>

<u>Step 1: Define</u>

6.022 × 10²² atoms Fe (iron)

<u>Step 2: Identify Conversions</u>

Avogadro's Number

<u>Step 3: Convert</u>

Set up: $\displaystyle 6.022 \cdot 10^{22} \ atoms \ Fe(\frac{1 \ mol \ Fe}{6.022 \cdot 10^{23} \ atoms \ Fe})$
Divide: $\displaystyle 0.1 \ mol \ Fe$

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3 years ago

Find the maximum mass of MgO that can be made from 2.4 of Mg and 2.4 of O2

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3 years ago

1. A gas sample at a pressure of 5.00 atm has a volume of 3.00 L. If the gas pressure is changed to 760 mm Hg, what volume will

tatyana61 [14]

Answer:

V₂ = 15.00 atm

Explanation:

Given data:

Initial pressure = 5.00 atm

Initial volume = 3.00 L

Final pressure = 760 mmHg ( 760/760 = 1 atm)

Final volume = ?

Solution:

P₁V₁ = P₂V₂

V₂ = P₁V₁ / P₂

V₂ = 5.00 atm × 3.00 L / 1 atm

V₂ = 15.00 atm

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3 years ago

The theory general relativity was discovered by who

svetoff [14.1K]

<span>The theory general relativity was discovered by Albert Einstein </span>

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3 years ago