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zysi [14]
3 years ago
12

What is the largest river basin in North Carolina?

Chemistry
2 answers:
user100 [1]3 years ago
8 0

Answer:

The Mackenzie River

Explanation:

Liula [17]3 years ago
6 0
The french broad? idk sorry
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The smallest units of matter that normally CANNOT be broken down are atoms. molecules. cells. phospholipids.
olya-2409 [2.1K]

Answer: atoms

Explanation:

All matter is made up of smaller indivisible particles called atoms. These atoms are the smallest units of matter ACCORDING to the Dalton's Atomic theory.

Molecules are combined atoms, while cells and phospholipids are complex combination of atoms.

Therefore, atoms is the answer

4 0
3 years ago
.Inherited traits are passed from parent to offspring by information coded in
Liono4ka [1.6K]

Answer:

Inherited traits are passed from parent to offspring by information coded in

the DNA or Deoxyribonucleic Acid

8 0
3 years ago
Albus Dumbledore provides his students with a sample of 19.3 g of sodium sulfate. How many oxygen atoms are in this sample
Dimas [21]

Answer:

<em>3.27·10²³ atoms of O</em>

Explanation:

To figure out the amount of oxygen atoms in this sample, we must first evaluate the sample.

The chemical formula for sodium sulfate is <em>Na₂SO₄, </em>and its molar mass is approximately 142.05\frac{g}{mol}.

We will use stoichiometry to convert from our mass of <em>Na₂SO₄ </em>to moles of <em>Na₂SO₄</em>, and then from moles of <em>Na₂SO₄ </em>to moles of <em>O </em>using the mole ratio; then finally, we will convert from moles of <em>O </em>to atoms of <em>O </em>using Avogadro's constant.

19.3g <em>Na₂SO₄</em> · \frac{1 mol Na^2SO^4}{142.05g Na^2SO^4} · \frac{4 mol O}{1 mol Na^2SO^4} ·\frac{6.022x10^2^3}{1 mol O}

After doing the math for this dimensional analysis, you should get a quantity of approximately <em>3.27·10²³ atoms of O</em>.

3 0
3 years ago
a molecule of ozone gas has has three atoms of oxygen . witch of these describes ozone most specifically?
AURORKA [14]

The best answer choice you could go for is B pure substance, a pure substance is a compound that is made of one element, like a diamond.

8 0
3 years ago
Read 2 more answers
What mass of carbon dioxide is produced from the complete combustion of 4.50×10−3 g of methane?
ivanzaharov [21]

CH₄ + 2O₂ → CO₂ + 2H₂O

From the equation, we know that methane and carbon dioxide have the same number of moles.

no. of moles = \frac{mass}{molar mass}

no. of moles of CO₂ produced = no. of moles of methane

= 4.5 × 10⁻³ ÷ (12 + 1×4)

= 2.8125 × 10⁻⁴

∴ mass of CO₂ = 2.8125 × 10⁻⁴ × (12 + 16×2)

= 12.375 × 10⁻³ g

4 0
3 years ago
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