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Ilya [14]
3 years ago
13

Which phrase best describes igneous rock

Chemistry
2 answers:
kozerog [31]3 years ago
5 0

Answer: a

Explanation:

Luden [163]3 years ago
4 0
Forms when lava and magma cool (A)
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What is gluecose used for
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(it is saved to be used later)
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2 years ago
Arrange the following substances in order of decreasing magnitude of lattice energy. Rank the compounds in order of decreasing m
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The lattice energy of the compounds is distributed in the following decreasing order of magnitude: MgO > CaO > NaF > KCl.

<h3>KCl or NaF, which has a higher lattice energy?</h3>

The lattice energy increases with increasing charge and decreasing ion size.(Refer to Coulomb's Law.)MgF2 > MgO.Following that, we can examine NaF and KCl (both of which have 1+ and 1-charges), as well as atomic radii.NaF will have a larger LE than KCl since Na is smaller then K and F was smaller than Cl.

<h3>MgO or CaO, which has a larger lattice energy?</h3>

MGO is more difficult than CaO, hence.This is because "Mg" (two-plus) ions are smaller than "Ca" (two-plus) ions in size.MgO has higher lattice energy as a result.

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1 year ago
A scientist is measuring the rate of an enzyme-catalyzed reaction that produces a red-colored product. as the solution containin
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The answer would be A will increase and T <span>will decrease.

The product of this reaction emits red light because it absorbs green and blue light. As the reaction occurs, the concentration of the product increase. This will makes absorbance of green and blue light increases and the solution will become redder.</span>
8 0
2 years ago
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9) All elements can be sorted into 3 simple groups:
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Answer: B) metals, non-metals, metalloids

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A metalloid is a bit of a mix between a metal and non-metal element. It's sorta like an element that has both properties of metals and non-metals, or it's in a murky gray area. An example of a metalloid would be silicon.

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2 years ago
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