The diagram below represents a plan cell Letter X represents a structure in the cell
1 answer:
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Answer:
Explanation:
Quantity of copper measured by a student = 4.6 grams
Original quantity of copper = 4.7 grams
Error in measurement = Original quantity of copper - Quantity of copper measured by a student grams
To find the percent error, apply the following formula:
Percent error = (Error in measurement / Original quantity of copper) × 100
Answer: C. iron oxide
Explanation:
In a chemical reaction , the reactants are written on the left hand side followed by a rightarrow and then products are given on the right side of the arrow.
In the given chemical equation :
Reactants are iron (Fe) and oxygen and product is iron oxide
.