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Earth is made of several subsystems or "spheres" that interact to form a complex and continuously changing whole called the Earth system. to thousands of kilometers, and on time scales that range from milliseconds to billions of years of the Earth; earthquake; Examples of long term - making coal; plate tectonics
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Explanation:
When Tollen's test is done by aldehyde , silver ion is converted into silver which forms a layer which looks like a mirror.
Ag⁺ + e = Ag
It is a reduction process where silver(1) ion is reduced to metallic silver.
Aldehyde is oxidized to carboxylate ion.
CH₃CHO + 2 OH⁻ = CH₃COO⁻ + H₂O + H⁺ + 2e
Visual indicator is silver metal which forms silver mirror at the bottom of test tube .
Because they are chemically combined
If it's a cube you use this formula Edge to the 3rd power example if the edge of a cube is 6 you supposed to do 6 times 6 times 6 which is 216
Answer:
Carbon dioxide is a gas because the particles surrounding it are more spread out and free from each other. Water is a liquid because the particles are partially spread out and have a medium space to move around. And due to the room temperature, salt's particles can either be hot and move rapidly, or be cold and not move rapidly.
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