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Rudik [331]
3 years ago
13

Which of these equations is balanced?

Chemistry
2 answers:
aev [14]3 years ago
6 0
B is the answer. For an equation to be balanced there must be the same amount of each element on the two sides. The only one where this is the case is B.
mixas84 [53]3 years ago
6 0
The Correct Answer is B

B) 2NaCl + H2SO4 ----> Na2SO4 + 2HCl
              
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5 0
3 years ago
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The combustion of gasoline produces carbon dioxide and water. Assume gasoline to be pure octane (C8H18) and calculate the mass (
Mariulka [41]

Answer:

3.09kg

Explanation:

First, let us write a balanced equation for the reaction. This is illustrated below:

2C8H18 + 25O2 —> 16CO2 + 18H2O

Molar Mass of C8H18 = (12x8) + (18x1) = 96 + 18 = 114g/mol

Mass of C8H18 from the balanced equation = 2 x 114 = 228g

Converting 228g of C8H18 to kg, we obtained:

228/1000 = 0.228kg

Molar Mass of CO2 = 12 + (2x16) = 12 + 32 = 44g/mol

Mass of CO2 from the balanced equation = 16 x 44 = 704g

Converting 704g of CO2 to kg, we obtained:

704/1000 = 0.704kg

From the equation,

0.228kg of C8H18 produced 0.704kg of CO2.

Therefore, 1kg of C8H18 will produce = 0.704/0.228 = 3.09kg of CO2

6 0
3 years ago
"The sun was setting behind the mountain when Isaiah reached the first fields of crops, bordered by low white stone walls. At th
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This is bob. If you brainliest him. He will reward you with a certain script.

5 0
3 years ago
PLEASE HELP !!!!! PWEASEEEEE
Fantom [35]

Answer:

A option is correct

hope it helps

5 0
2 years ago
<img src="https://tex.z-dn.net/?f=%5Cred%7B%5Cunderbrace%7B%5Coverbrace%5Cmathbb%7B%5Ccolorbox%7Baqua%7D%7B%5Ccolorbox%7Bblue%7D
aleksandrvk [35]

Answer:

<h2>Physical properties: H2SO4 is a colorless or slightly yellow viscous liquid with a pungent odor. It has a density of 1.84 g/mL, boiling point of 337 °C, and melting point of 10 °C. "Concentrated" sulfuric acid is 98% in water, and is the most stable form.</h2>
6 0
3 years ago
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