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3 years ago

The work of which scientist was most essential to the use of the scientific

Chemistry

1 answer:

PilotLPTM [1.2K]3 years ago

7 0

Answer:

Antoine Lavoisier.

Explanation:

I would say that it's the 18th century French chemist Lavoisier. He can arguably be called the father of modern chemistry. He proved the law of the conservation of mass and had a large part in developing the scientific method.

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AC current is produced by which of the following things?

pogonyaev

Answer:

Explanation:

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2 years ago

Read 2 more answers

How many moles are in 3.24 x 1020 particles of lead? (show work plz)

lesya [120]

<h3>Answer:</h3>

0.000538 mol Pb

<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> </u>

<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>

3.24 × 10²⁰ particles Pb (lead)

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

Avogadro's Number

<u>Step 3: Convert</u>

Set up: $\displaystyle 3.24 \cdot 10^{20} \ particles \ Pb(\frac{1 \ mol \ Pb}{6.022 \cdot 10^{23} \ particles \ Pb})$
Multiply/Divide: $\displaystyle 0.000538 \ mol \ Pb$

<u>Step 4: Check</u>

<em>Follow sig fig rules and round. We are given 3 sig figs.</em>

Our final answer is in 3 sig figs, no need to round.

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2 years ago

Explain how CO2 is absorbed into the ocean of H2O

Dmitrij [34]

The ocean absorbs CO2 from the atmosphere wherever air meets water. Wind causes waves, giving more opportunity for the water to absorb the carbon dioxide.

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2 years ago

How many kilojoules is 1,500,000 calories

pochemuha

Answer:

1 cal = 0.004187 kJ

1,500,000 cal = 6280.5 kJ

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3 years ago

What effect might a hydroxyl group on a benzene ring of the reactant have on this reaction?

Zigmanuir [339]

Hey there!:

The hydroxyl groups act to neutralize the sodium borohydride which reduces yield.

Hope that helps!

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2 years ago