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Zanzabum
3 years ago
10

What is the term for negative acceleration?​

Chemistry
1 answer:
stepladder [879]3 years ago
8 0

Answer:

negative acceleration describes a decrease in velocity over time. Acceleration is an increase and zero acceleration is no change in velocity.

Explanation:

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Calculate the mass in grams of carbon dioxide produced from 11.2 g of octane (C8H18) in the reaction above.
Ray Of Light [21]

Answer:

34.6g

Explanation:

Given parameters:

Mass of Octane  = 11.2g

  Reaction expression;

      2C₈H₁₈  + 25O₂  →  16CO₂  + 18H₂O

Mass of octane = 11.2g

Unknown:

Mass of carbon dioxide produced  = ?

Solution:

From the balanced reaction equation;

         2 mole of octane produced 16 moles of carbon dioxide

From the given specie, let us find the number of moles;

    Number of moles  = \frac{mass}{molar mass}  

 Molar mass of C₈H₁₈   = 8(12) + 18(1) = 114g/mole

Number of moles of octane  = \frac{11.2}{114}   = 0.098mole

   

    2 mole of octane produced 16 moles of carbon dioxide

    0.098 mole of octane will produce \frac{0.098 x 16}{2}   = 0.79mole of CO₂

Mass of CO₂ = number of moles x molar mass

           Molar mass of CO₂ = 12 + 2(16)  = 44g/mol

Mass of CO₂  = 0.79 x 44  = 34.6g

8 0
3 years ago
Which can associate a suspect's gun with a crime?
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2 years ago
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List the 5 chemicals with the highest flash point. (In order, staring with the highest)
Volgvan

Answer:

Flash point of Lube Oil is around the 187°C mark, 

Flash point of Biodiesel of 130°C

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3 years ago
The last column of the periodic table contains the noble gases, elements that do not easily form chemical bonds. Why don’t these
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We call these reactive elements, becausethese atoms really like to follow the buddysystem and form bonds with other atoms.Noble gases, however, don't have thisproblem. Their outer shells are filled to the max, so they don't need to bond or react with any other atoms.
6 0
2 years ago
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