Answer:

Explanation:
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In this case, considering the given chemical reaction:

Thus, by applying the law of rate proportions, we can write:

Whereas the stoichiometric coefficients of reactants are negative due their disappearance and that of the product is positive due to its appearance. In such a way, when we relate the rate of disappearance of hydrogen gas to the rate of formation of hydrogen iodide, we obtain:

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By adding together the number of protons and neutrons and multiplying by 1 amu, you can calculate the mass of the atom
In the Bohr Model, the electron is treated as a particle in fixed orbits around the nucleus. In the Quantum Mechanical Model, the electron is treated mathematically as a wave. The electron has properties of both particles and waves.
Answer:
C
Explanation:
It is formed as a result of a reaction between two non-metals
2. vinegar and baking soda mixing and creating bubbles, if it changes form like bubbles or produces heat then it’s chemical changes.