Not exactly chemistry but ok.
Phó is one of the famous dish in Vietnamese Culture
Hence, the answer is Vietnamese Cuisine
the best answers its A. Maxwell I just took the the test
hope this help :)
Answer:
154g/mol
Explanation:
the explanation is in the picture
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Answer: The coefficient must be 3.
Explanation:
According to the law of conservation of mass, mass can neither be created nor be destroyed. Thus the mass of products has to be equal to the mass of reactants. The number of atoms of each element has to be same on reactant and product side. Thus chemical equations are balanced.

The number of atoms of each element has to be same on both sides, thus the balanced chemical reaction will be:

Thus a coefficient of 3 should go in front of
to balance calcium (Ca).
Most metals are good conductors of heat and they are solids at room temperature.