Biology, 29.01.2021 01:00 marklynr9955

During a chemical reaction, a fixed amount of iron combines completely with a fixed amount of oxygen to form iron oxide. Which statement best describes the mass of the iron oxide that is produced? The mass is equal to the mass of the iron plus the mass of the oxygen.
The mass is less than the mass of the iron but greater than the mass of the oxygen before reacting.
The mass is greater than the combined mass of both the iron and the oxygen.
The mass is equal to the mass of the iron minus the mass of the oxygen before reacting.

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Answer from: Quest

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the answer is a) a shiprock was formed by igneous process

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explanation:

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During a chemical reaction, a fixed amount of iron combines completely with a fixed amount of oxygen...