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pickupchik [31]
3 years ago
9

Example of chemical reaction.

Chemistry
1 answer:
defon3 years ago
4 0

Answer:

Photosynthesis

Plants apply a chemical reaction called photosynthesis to convert carbon dioxide and water into food (glucose) and oxygen.

Anaerobic respiration

Anaerobic respiration is a set of chemical reactions that allows cells to gain energy from complex molecules without oxygen.

Combustion

You strike a match, burn a candle, build a fire, or light a grill, you see the combustion reaction.

Electrochemistry

Batteries use electrochemical or redox reactions to convert chemical energy into electrical energy.

Explanation:

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Help help help plsss
Olin [163]

Answer:

4.58×10^3

3.72×10^7

Explanation:

3.8×10^2 =380

+ 4.2×10^3=4200

= 4580 = 4.58×10^3

8 0
3 years ago
How do the numbers of metal and non-metal elements compare? Estimate an approximate percentage difference.
Lerok [7]

Answer:

metal to non metal ratio is 97/21 = 4.62 or

82.2% metals, 17.8% non metals

Explanation:

How do the numbers of metal and non-metal elements compare? Estimate an approximate percentage difference. (learning about the periodic table if...

of 118 elements in the periodic table , 21 are non metals (even H has metallic properties when approching 0 degrees K)

this means there ar 21 nonmetals and 118-21=97 metals.

6 0
2 years ago
Which of the following does NOT involve a physical change?
jasenka [17]

Answer:mixing decomposing

Explanation:

Melting and grinding changes the physical form and mixing decomposing doesn’t

4 0
3 years ago
What is the law of reflection? please help!!!
Jet001 [13]

Answer:

Does this answer your question?

Explanation:

The law of reflectionis a predictable behavior of reflected light, stated as: the angle of reflection equals the angle of insidence.

3 0
3 years ago
The term that refers to how much of a solute can be dissolved is
natali 33 [55]
solubility. referring to the ability for a given substance, the solute, to dissolve in a solvent.
6 0
3 years ago
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