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BigorU [14]
3 years ago
10

Please help check over my work, sorry for spamming

Chemistry
2 answers:
steposvetlana [31]3 years ago
7 0

Answer:

reflection you're right

Explanation:

kotykmax [81]3 years ago
6 0
You are correct. (Reflection)
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Water conservation is important for which of the following reasons?
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all of above becuase it's all conservation

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Is the chemical reaction between magnesium metal and hydrochloric acid solution an acid base reaction?
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No

Explanation:

The chemical reaction between magnesium metal and hydrochloric acid solution is not an acid - base reaction.

An acid - base reaction involves an acid and base to produce salt and water.

  • This reaction is called a neutralization reaction.
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  • A base produces excess hydroxyl ions in solution.
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3 0
3 years ago
Which of the following is a balanced chemical equation?
True [87]

Answer:

equation number 3 is balanced.

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3 years ago
Calculate the mass of carbon dioxide produced from complete combustion of 16.6 g of octane, C8H18, in the following reaction. C8
Oksi-84 [34.3K]

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51.2g of CO2

Explanation:

The first step is to balance the reaction equation as shown in the solution attached. Without balancing the reaction equation, one can never obtain the correct answer! Then obtain the masses of octane reacted and carbon dioxide produced from the stoichiometric equation. After that, we now compare it with what is given as shown in the image attached.

7 0
3 years ago
Find the mass of 4.5 moles of H3PO4
Contact [7]

Hey there!

H₃PO₄

Find molar mass.

H: 3 x 1.008 = 3.024

P: 1 x 30.97 = 30.97

O: 4 x 16 = 64

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

                  97.994 grams

The mass of 1 mole of H₃PO₄ is 97.994 grams.

We have 4.5 moles.

97.994 x 4.5 = 440

The mass of 4.5 moles of H₃PO₄ is 440 grams.

Hope this helps!

6 0
3 years ago
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