Chemistry, 23.09.2021 14:00 ziyonsolange

Which explains why the mass of Wand Z combined is greater than the mass of the new substance WZ?
A. The reaction destroyed some matter.
B. The particles in substance W attached to substance Z.
C. The physical change caused the particles to get smaller.
D. The reaction created a gas, which escaped into the
atmosphere.

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Which explains why the mass of Wand Z combined is greater than the mass of the new substance WZ?

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