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Genrish500 [490]
2 years ago
10

Please Help Im Struggling And Failing I Need All The Help I Can Get!!!!

Chemistry
2 answers:
Margaret [11]2 years ago
7 0
2 floors because they are double the work.
luda_lava [24]2 years ago
5 0
2 floors because you would have to do it twice
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which of these is not a physical property of matter? a) density b) basicity c) hardness d) freezing point
earnstyle [38]
I'm pretty sure it's hardness.
8 0
3 years ago
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What is the percent error when a student measures the volume to be 19.3 liters when
katrin2010 [14]

Answer:

The answer is

<h2>13.84 %</h2>

Explanation:

The percentage error of a certain measurement can be found by using the formula

P(\%) =  \frac{error}{actual \:  \: number}  \times 100\% \\

From the question

actual volume = 22.4 L

error = 22.4 - 19.3 = 3.1

The percentage error is

P(\%) =  \frac{3.1}{22.4}  \times 100 \\  = 13.839285714...

We have the final answer as

<h3>13.84 %</h3>

Hope this helps you

7 0
3 years ago
He partial lewis structure that follows is for a hydrocarbon molecule. in the full lewis structure, each carbon atom satisfies t
Bezzdna [24]

Answer:

Four (4) hydrogen atoms

Explanation:

C=C-C(triple bond)C

only four hydrogen atoms can bond with the vacant space

6 0
3 years ago
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What are some good puns about elements in chemistry?.
anastassius [24]

Answer:

When all the elements die, we Barium!

Ugh, I need to zinc of new Chemistry puns…

Oxygen and Magnesium are going out? O Mg!

Don't trust atoms! They make up everything!

5 0
2 years ago
Do anyone know the answer?
siniylev [52]

Answer:

C2H4 + 3O2 --> 2CO2 + 2H2O

Explanation:

For an equation to be balanced, it must have an equal number of atoms on each side. C2H4 + 3O2 --> 2CO2 + 2H2O is the only equation out of these four the fulfills this requirement.

5 0
3 years ago
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