Answer: -14
Explanation: i just searched it up sorry
Answer:
In a balanced chemical equation the number of individual particles and the number of moles of particles are represented by the <em>COEFFICIENTS</em><em> </em>
Explanation:
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Answer:
The respiratory system transports oxygen to cells, while the circulatory system provides oxygen for cells.
Answer:
Zn(NO3)2 +Cu
Explanation:
Replacement reaction is a type of chemical reaction in which an element react with a compound and take the place of another element in that compound.
Zn is more reactive than Cu, therefore Zn replaces cu from CU(NO3)2 to form Zn(NO3)2 +Cu