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MrMuchimi
3 years ago
6

Who was the scientist responsible for the theory of evolution by natural selection?

Chemistry
2 answers:
Allushta [10]3 years ago
8 0

Answer:

Charles Darwin

Explanation:

Charles Darwin is more famous than his contemporary Alfred Russel Wallace who also developed the theory of evolution by natural selection. scientist who studies living organisms.J

Nastasia [14]3 years ago
6 0

Answer:

Charles Darwin

Explanation:

He was the one who created the theory of evolution by natural selection along with the co-discoverer Alfred Wallace in 1858.

I just did this topic like a few weeks ago.

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What is one reason scientists have developed a system to classify organisms?
Travka [436]

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c

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What does the strong nuclear force do?
andreyandreev [35.5K]

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The strong force binds quarks together in clusters to make more-familiar subatomic particles, such as protons and neutrons. It also holds together the atomic nucleus and underlies interactions between all particles containing quarks. The strong force originates in a property known as colour.

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2 years ago
A 2.0 mL sample of a liquid has a mass of 44.0 g. What is the density of the liquid?
riadik2000 [5.3K]

Answer:

The answer is

<h2>22 g/mL</h2>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume}

From the question

mass of liquid = 44 g

volume = 2 mL

The density of the liquid is

density =  \frac{44}{2}

We have the final answer as

<h3>22 g/mL</h3>

Hope this helps you

8 0
3 years ago
How many moles of Cu are in 1.48 × 1025 Cu atoms?
Novosadov [1.4K]
<h3>Answer:</h3>

24.6 mol Cu

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

<u>Math</u>

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right<u> </u>

<u>Chemistry</u>

<u>Atomic Structure</u>

  • Moles
  • 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>

[Given] 1.48 × 10²⁵ atoms Cu

[Solve] moles Cu

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

Avogadro's Number

<u>Step 3: Convert</u>

  1. [DA] Set up:                                                                                                     \displaystyle 1.48 \cdot 10^{25} \ atoms \ Cu(\frac{1 \ mol \ Cu}{6.022 \cdot 10^{23} \ atoms \ Cu})
  2. [DA] Divide [Cancel out units]:                                                                       \displaystyle 24.5766 \ mol \ Cu

<u>Step 4: Check</u>

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

24.5766 mol Cu ≈ 24.6 mol Cu

4 0
2 years ago
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