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dimulka [17.4K]
3 years ago
6

This supercontinent was part of what specific early Earth Science theory?

Chemistry
1 answer:
Novosadov [1.4K]3 years ago
4 0

Answer:

Pangaea

Explanation:

About 300 Million Years Ago, Earth Didn't Have Seven Continents But Instead Earth Had One Massive Super continent Called Pangaea.

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1. The octane present in gasoline burns according to the following equation:
Harman [31]

Answer:

n_{O_2}=343.75molO_2

Explanation:

Hello there!

In this case, according to the combustion of octane:

2C_8H_1_8+25O_2\rightarrow 16CO_2+18H_2O

We can see there is a 2:25 mole ratio of octane to oxygen; therefore, we can calculate the moles of oxygen via the following stoichiometric factor:

n_{O_2}=27.5molC_8H_1_8*\frac{25molO_2}{2molC_8H_1_8} \\\\n_{O_2}=343.75molO_2

Best regards!

5 0
3 years ago
What statement best describes an igneous intrusion
tatuchka [14]
The correct answer to this question is:

<span>What statement best describes an igneous intrusion
</span> ✔️<span>C-"Magma is injected into surrounding rock forming an igneous intrusive."

Hoped This Helped, </span> Dshells5 
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8 0
3 years ago
If you could answer any it would be deeply appreciated.
Fudgin [204]

Answer:magnesium plus nitrogen is : magnesium nitride

Explanation:

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3 years ago
What is a base used in toothpaste?
mario62 [17]

Answer: Option:C

Explanation:

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3 years ago
A compound's molecular formula must always be different than the compound's empirical formula. TRUE FALSE
Juli2301 [7.4K]

Answer: False

Explanation:

Molecular formula is the chemical formula which depicts the actual number of atoms of each element present in the compound.  

Empirical formula is the simplest chemical formula which depicts the whole number of atoms of each element present in the compound.

Example: CH_4 has similar molecular formula and empirical formula as the elements are already present in simplest of the ratios.

C_2H_2 has molecular formula of C_2H_2 but CH as the empirical formula.

5 0
3 years ago
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