3)What is conserved in the reaction shown below? N2(g) + 3F2(g) → 2NF3(g)
A)only atoms
B)only mass
C)only mass and atoms
D)only moles
E)only mass, atoms, moles, and molecules

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Its a hope this

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Polyethylene is a strong synthetic polymer that can be used to make toys and bottles. this makes plastics which are important also to people but sometimes it lead to harmful environmental effects such as global warming if these plastics are burned.