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Dominik [7]
3 years ago
11

What is the problem with this chemical equation: H2 + O2 → H2O

Chemistry
2 answers:
Nataly_w [17]3 years ago
7 0
H2o only has one oxygen molecule. so +o2 should just be +o
VARVARA [1.3K]3 years ago
5 0

Answer:

To make H2O, you need two H and one O. in this equation, you are given two Os which is too many. you'll end up with an extra O. H2 + O2 -> H2O + O

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Answer:

b. primitive cubic < body-centered cubic < face-centered cubic  

Explanation:

The coordination number is defined as <em>the number of atoms (or ions) surrounding an atom (or ion) in a crystal lattice</em>. Its value gives us a measure of how tightly the spheres are packed together. The larger the coordination number, the closer the spheres are to each other.

  • In the <u>primitive cubic</u>, each sphere is in contact with 6 spheres, so its <u>coordination number is 6</u>.
  • In the <u>body-centered cubic</u>, each sphere is in contact with 8 spheres, so its <u>coordination number is 12</u>.
  • In the <u>face-centered cubic</u>, each sphere is in contact with 12 spheres, so its <u>coordination number is 12</u>.

Therefore, the increasing order in density is the primitive cubic first, then the body-centered cubic, and finally the face-centered cubic.

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3 years ago
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As the number of electrons added to the same principal energy level increases, atomic size generally
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As the number of electrons added to the same principal energy level increases, atomic size generally

C. Decreases.

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How many cubic centimeters are there in 200 milliliters?
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200 mL = 200 cm³

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The relationship between cm³ and mL is 1:1.

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Thus, 200 mL is converted to cm³ as follows:

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