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Rus_ich [418]
2 years ago
9

Please help!! I'll name you brainliest!!

Chemistry
1 answer:
SashulF [63]2 years ago
4 0

Answer:

a) 1

b) 4

c) 7

d) 3

e) 6

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3 years ago
Consider the combustion of octane (C8H18)
sesenic [268]
The balanced equation for the above reaction is as follows;
2C₈H₁₈ + 25O₂ --->  16CO₂  + 18H₂O
stoichiometry of octane to CO₂ is 2:16
number of C₈H₁₈ moles reacted - 191.6 g / 114 g/mol = 1.68 mol
when 2 mol of octane reacts it forms 16 mol of CO₂
therefore when 1.68 mol of octane reacts - it forms 16/2 x 1.68 = 13.45 mol of CO₂
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 mass of CO₂ formed is 591.8 g
3 0
3 years ago
How many moles of atoms are in 9.00 g of 13c?
Blababa [14]
<span>The atomic weight of 13C should be pretty close to 13.0. (If you have the exact mass, use it in the problem.) So, 9.00 g / 13.0 g/mol = 0.692 moles Therefore, the answer should be 0.692 moles are in 9.00 g of 13C.</span>
8 0
3 years ago
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How much is a dogggggggggggggggggg
skelet666 [1.2K]

Answer:

it is 7

Explanation:

dogs are 7 HOPE THIS HELPED kidding i don get the question

3 0
3 years ago
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What happens to the solar energy absorbed by plants during photosynthesis ?
zzz [600]

Answer:

Photosynthesis in plants converts solar energy into chemical energy using electrons and protons from water. in plants involves a series of steps and reactions that use solar energy, water, and carbon dioxide to produce organic compounds and oxygen.

Explanation:

7 0
2 years ago
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