1.17×6×1023
Wich equals 7.02×1023
Your final answer is 7.02×1023
Answer:
The mass of copper = 208.26 grams.
Explanation:
Density = mass / volume
8.9 = mass / 23.4
mass = 8.9 * 23.4
= 208.26 grams.
The energy change? from light energy to chemical energy
“Metal ions are typically smaller than their corresponding neutral atoms”
Answer) Smaller
Explanation:The five major branches of chemistry are organic, inorganic, analytical, physical, and biochemistry.
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Sub-branches of physical chemistry include:
Photochemistry — the study of the chemical changes caused by light.
Surface chemistry — the study of chemical reactions at surfaces of substances
