Sodium hydroxide + copper sulfate 1.observations before interaction 2.observations after interaction 3.was mass conserved? 4.proof of a chemical reaction
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Ответ:
Reaction for observation: Sodium Hydroxide + Copper Sulfate
Full reaction:
2NaOH + CuSO4 --> Cu(OH)2 + Na2SO4
Part 1.Observations Before Interaction:
Sodium hydroxide is a turbid solution and copper sulfate is in form of bright blue crystals.
Part 2:Observations After Interaction:
When their solutions are mixed with each other, a pale blue precipitate of basic copper hydroxide & a solution of neutral salt sodium sulphate will be formed.
Part 3:Was Mass Conserved?
Yes, mass was conserved.
The Law of Conservation of Mass states that "mass cannot be created or destroyed, but changed into different forms".
Hence mass was conserved.
Part 4..Proof of a Chemical ReactionThe proof of the reaction is the appearance of pale blue precipitates of of basic copper hydroxide & a solution of neutral salt sodium sulphate.
Ответ:
The life process by which plants provide energy to animals is nutrition. Plants are nutritionally autotrophs. They synthesized their food through a process called photosynthesis. In this process, plants use sunlight, carbon dioxide and water to produce glucose and oxygen is released as by-product.
Explanation: