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Stels [109]
2 years ago
10

Wood is mainly cellulose, a polymer produced by plants. One use of wood is as a fuel in campfires, fireplaces, and wood furnaces

. The molecules of cellulose are tong chains of repeating units. Each unit of the chain can be represented as C.HOs. The balanced equation below represents a reaction that occurs when C.HOs is burned in air.
C6H1005 + 0₂ → CO₂ + H₂O + heat

5. Balance the chemical equation using the smallest whole number coefficient.
Chemistry
1 answer:
Alja [10]2 years ago
6 0

Answer:

C6 H10 O5+ 6O2-----> 6CO2+5H2O+heat

Explanation:

There are 6 carbon atoms in reactants to balance you put coefficient 6.

This makes the oxygen in CO2 12 so to balance put 6 in oxygen in reactants.

There are 10 hydrogen atoms in reactants to balance you put 5 in front of H2O in products.

If u recheck: 6 C atoms in reactants, 6 C atoms in products.

10 H atoms in reactants, 10 H atoms in products.

17 O atoms in reactants, 17 O atoms in products.

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D. Heat is absorbed by the reaction
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3 years ago
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PLEASE HURRY IM TIMED Which of the following are examples of physical changes? (Select all that apply.)
stich3 [128]

Answer:

Explanation:

tearing a piece of paper

crushing a soda can

3 0
3 years ago
Sulfur and fluorine form several different compounds including sulfur hexafluoride and sulfur tetrafluoride. Decomposition of a
svetoff [14.1K]

Answer:

See Explanation

Explanation:

For SF6;

Since;

1.25 g of S corresponds to 4.44g of F

1 g of sulphur corresponds to 1 * 4.44/1.25 = 3.55

For SF4;

Since;

1.88 g of S corresponds to 4.44g of F

1 g of sulphur corresponds to 1 * 4.44/ 1.88  = 2.36

Hence;

Mass of oxygen per gram of sulphur in SF6/Mass of oxygen per gram of sulphur in SF4

=

3.55/2.36 = 1.5

Hence the law of multiple proportion is obeyed here.

3 0
3 years ago
All of the following use digitized signals to encode and transmit information EXCEPT:
eimsori [14]

Answer:

Record players

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The vibrations (analogue) are converted into electrical signals and fed into an amplifier to produce the sounds you hear

Fiber optic cables, Wi-Fi devices, and flat screen TVs use digitized signals to encode and transmit information

5 0
3 years ago
What volume of 0.436 M barium nitrate solution is needed to prepare 240.0 mL of a barium nitrate solution that is 0.300 M in nit
Advocard [28]
The correct answer would be A

Explanation: I did the math
7 0
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