Answer: thay can't make cells
Explanation:
Answer: Its a chemical change because the materials are mix to make the dough
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Answer:
20%
Explanation:
mass by mass percentage of a solution =(mass of solute)/(mass of solution)
mass of solute=550g
therefore 110×100/550=20%
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Answer:
6.5256×10¹⁴
Explanation:
n= v/24
v= n×25
v= 2.719×10¹³ × 24= 6.5256×10¹⁴ moles/dm³
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Because energy cannot be created or destroyed, only transferred