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Dmitry_Shevchenko [17]
3 years ago
12

In a classroom, which comparison would a teacher most likely use for describing a mole?

Chemistry
2 answers:
RUDIKE [14]3 years ago
6 0

Answer:

B

Explanation:

a mole is "a chemist's dozen" lol

aksik [14]3 years ago
4 0
B That the answer (hope this helps)
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What is the name of this alkane?
Otrada [13]
It's a cyclohexane ring with an ethyl group at 1 and a methyl group at 3. The Ethyl group is bigger and more important group get's the first position.

1-ethyl-3-methylcyclohexane
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4 years ago
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Who would most likely be required to work with sodium hydroxide?
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A plumber- Sodium hydroxide is cleaner and plumbers clean
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Two different atoms have four protons each and the same mass. However, one has a positive charge while the other is neutral. Des
seraphim [82]

The possible number and location of all subatomic are one of them is electrically neutral, while the other has a stable electronic configuration.

<h3>What are subatomic particles?</h3>

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8 0
2 years ago
5÷966843966667777889578876
Phoenix [80]

Your answer my good friend should be:

<u>5                                             </u>

9.668439666677778e+23

=

<u>5                                         </u>

9.668439666677778e+23

(They are mean't to be fractions btw)

Or

Exact Form:\frac{5}{966843966667777889578876}

Decimal Form: 5.17146527⋅10^{-24}

4 0
3 years ago
Read 2 more answers
From the unbalanced reaction: B2H6 + O2 ---&gt; HBO2 + H2O
Drupady [299]

Answer: 125 g

Explanation:

To calculate the moles :

\text{Moles of solute}=\frac{\text{given mass}}{\text{Molar Mass}}    

\text{Moles of} B_2H_6=\frac{36.1g}{17}=1.30moles

The balanced reaction is:

B_2H_6+3O_2\rightarrow 2HBO_2+2H_2O

According to stoichiometry :

1 mole of B_2H_6 require = 3 moles of O_2

Thus 1.30 moles of B_2H_6 will require=\frac{3}{1}\times 1.30=3.90moles  of O_2

Mass of O_2=moles\times {\text {Molar mass}}=3.90moles\times 32g/mol=125g

Thus 125 g of O_2 will be needed to burn 36.1 g of B_2H_6

4 0
3 years ago
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