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Dmitry_Shevchenko [17]
3 years ago
13

Use Dimensional Analysis:

Chemistry
1 answer:
mylen [45]3 years ago
4 0
0.36k/sec)(60sec/1minute)(1000meters/1kilometer)
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Leto [7]
3 is the answer to yo question



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4 years ago
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B) All atoms contain<br>charged electrons.<br>​
andrey2020 [161]

Answer:

b) All atoms contain

charged electrons.

Explanation:

8 0
3 years ago
What’s the molar mass of magnesium oxalate
maria [59]

Hey there!

Magnesium oxalate: MgC₂O₄

Mg: 1 x 24.305 = 24.305

C: 2 x 12.01 = 24.02

O: 4 x 16 = 64

----------------------------------

                   112.325 g/mol

The molar mass of magnesium oxalate is 112.325 g/mol.

Hope this helps!

8 0
3 years ago
Considering the side chain of each of the amino acids at pH 7.4, is that amino acid classified at neutral, basic, or acidic? You
arlik [135]

Answer:

Considering the side chain of each of the amino acids at pH 7.4, is that amino acid classified at neutral, basic, or acidic? You are currently in a sorting module. Turn off browse mode or quick nav, Tab to items, Space or Enter to pick up, Tab to move, Space or Enter to drop. Neutral Basic Acidic

The answer is in the the images. I have placed all the structures in the specific boxes. I hope this helps.

6 0
3 years ago
What mass, in grams, of CO2 and H20 N<br> is formed from 2.55 mol of propane?
Black_prince [1.1K]

Answer: The mass of CO_2 and H_2O produced are 336.6 g and 183.6 g respectively.

Explanation:

The combustion reaction between propane and oxygen leads to formation of carbon dioxide and water.

Law of Conservation of mass states that the mass will remain constant for a balanced equation. This is carried out when the total number of atoms on reactant side is same as the total number of atoms on the product side. Thus the equation must be balanced.

C_3H_8+5O_2\rightarrow 3CO_2+4H_2O

a) 1 mol of propane produces = 3 moles of CO_2

Thus 2.55 mol of propane produces = \frac{3}{1}\times 2.55=7.65 moles of [tex]CO_2

mass of CO_2=moles\times {\text {molar mass}}=7.65mol\times 44g/mol=336.6g

b) 1 mol of propane produces = 4 moles of H_2O

Thus 2.55 mol of propane produces = \frac{4}{1}\times 2.55=10.2 moles of [tex]H_2O

mass of H_2O=moles\times {\text {molar mass}}=10.2mol\times 18g/mol=183.6g

The mass of CO_2 and H_2O produced are 336.6 g and 183.6 g respectively.

8 0
3 years ago
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