andybiersack154

21.01.2021 • 

Chemistry

What happened to the water molecules in this phase change? 1 point
phase change
before: solid
after liquid

A The molecules were moving in place. After the phase change, the molecules were
moving around each other.

B The molecules were moving around each other. After the phase change, the
molecules were moving away from each other.

C The molecules were moving around each other. After the phase change, the
molecules were moving in place.

D The molecules were moving away from each other. After the phase change, the
molecules were moving around each other.

Ответ:

jayceerocks5614

10.09.2020

Chemistry

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2 Na + I2 => 2 NaI

Explanation: The equation is now balanced. The number of atoms on each element contains the same amount in the reactant and product side.

Reactant Product

Na 2x1= 2 2x1 = 2

I 1x2 = 2 2x1 = 2

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