cecelia090
21.10.2020 •
Chemistry
How does water shape earth surfaces
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Ответ:
Water moving across the earth in streams and river pushes along soil and breakdown pieces of rock in a process called erosion. The moving water carries soil and rocks from one area and deposits them in others areas, creating new land forms or changing the course of stream.
Explanation:
Ответ:
The answer to your question is 1.36 moles of P₂O₅
Explanation:
Data
moles of P₂O₅ = ?
moles of O₂ = 3.4 moles
Balanced chemical reaction
4P + 5O₂ ⇒ 2P₂O₅
To solve this problem use proportions and cross multiplication. Consider the coefficients of the molecules of the balanced equation.
5 moles of O₂ 2 moles of P₂O₅
3.4 moles of O₂ x
x = (3.4 x 2) / 5
-Simplification
x = 6.8 / 5
-Result
x = 1.36 moles of P₂O₅