Answer:
Boiling Water
Explanation:
Physical when water boils, the bubbles are caused by heat, and they are not a new substance — just the same old water, but now, because sufficient heat has been added, it is a gas instead of a liquid. ... If you boil water, it is a physical change because it is still water; it's just water vapor.
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Answer:
2 to 1
Explanation:
The reaction equation is given as:
2KHCO₃ → K₂CO₃ + CO₂ + H₂O
The conversion factor between the moles of KHCO₃ and K₂CO₃ is 2 to 1.
From the balanced chemical equation, we find out that;
2 moles of 2KHCO₃ will produce 1 mole of K₂CO₃.
So given any mole of either of the reactant or product, we can find the unknown.
Answer:
The distance between two adjacent peaks on a wave is called the wavelength.
Because while you use it the electricity gets around and it can burn your hair
