Please help Use the following chemical equation to answer the question: N2 + 3 H2 2 NH3
If you had 21.9 grams of nitrogen, how many grams of NH3 should be produced?
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Which statement describes both homogeneous mixtures and heterogeneous mixtures?

Choose all the answers that apply. as ocean depth increases, temperature decreases temperature increases pressure increases pressure decreases salinity increases density increases

Which statement names the physical property of wood a. wood is softer than coal b. wood does not rust c. wood can rot d. wood can burn