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viktelen [127]
3 years ago
7

Mdfgfghhhhhhhhhhhhhhhhhhhh

Chemistry
1 answer:
kozerog [31]3 years ago
7 0
Free answer? i think so
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What function does the central vacuole in a plant cell performs
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It functions to maintain the proper pressure within the plant cells to provide structure
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How is heat produced in a chemical change​
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Answer:Hola UwU

Most chemical reactions involve the breaking and formation of chemical bonds. It takes energy to break a chemical bond but energy is released when chemical bonds are formed. If more energy is released than consumed, then the chemical reaction evolves heat and is said to be exothermic.

Explanation:Adios~ UnU haha

7 0
3 years ago
The partial negative charge at one end of a water molecule is attracted to the partial positive
Neporo4naja [7]

Answer:

             Hydrogen Bond

Explanation:

                   Hydrogen bond interactions are formed between the hydrogen atom bonded to most electronegative atoms (i.e. F, O and N) of one molecule and most electronegative atom (i.e. F, O and N) of another molecule.

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6 0
2 years ago
Why can't scientists simply use carbon-12 (12C) do determine
Alex

Answer:

carbon-12 is not radioactive

Explanation:

The measurement of the age of dead carbon based life forms requires the use of a radioactive isotope hence it is often referred to as radiocarbon dating.

Carbon-12 and Carbon-14 occur together in living things.The half life of Carbon-14 is about 5670 years.

Hence, since Carbon-12 is not radioactive, it can not be used to measure the age of dead carbon based materials.

8 0
3 years ago
C5H8+ _02 = 8h2o+5co2
Dimas [21]
To balance this equation you would do whatever you did I TO one side to the other... so if there is 18 oxygen on the right side then there must be 18 on the left. So 18/2 equals 9... the. You equation will be balanced
8 0
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