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seraphim [82]
3 years ago
6

How many grams of calcium are required to react with 12 grams of oxygen to form caO

Chemistry
1 answer:
MaRussiya [10]3 years ago
5 0
30.58 grans of Calcium ...
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14) The central iodine atom in the ICl4- ion has __________ nonbonded electron pairs and __________ bonded electron pairs in its
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Answer:

Two non bonded electron pairs and four bonded electron pairs

Explanation:

An image of the compound as obtained from chemlibretext is attached to this answer.

The ion ICl4- ion, is an AX4E2 ion. This implies that there are four bond pairs and two lone pairs of electrons. As expected, the shape of the ion is square planar since the lone pairs are found above and below the plane of the square. This is clear from the image attached.

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Natural vs. Synthetic Venn Diagram: Natural chemicals are produced by nature without any human intervention. Synthetic chemicals are made by humans using methods different than those nature uses, and these chemical structures may or may not be found in nature
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Use the equation: 2Mg + O2→ 2MgO
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Answer:

3 moles of O2 needed

Explanation:

2 moles of Mg   to one mole O2

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6 0
2 years ago
The molecule shown belongs to which class of compounds
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3 years ago
A sample of an ideal gas at 1.00 atm and a volume of 1.84 L was placed in a weighted balloon and dropped into the ocean. As the
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Answer:

0.0613 L

Explanation:

Given data

  • Initial pressure (P₁): 1.00 atm
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  • Final pressure (P₂): 30.0 atm
  • Final volume (V₂): ?

Since we are dealing with an ideal gas, we can calculate the final volume using Boyle's law.

P₁ × V₁ = P₂ × V₂

V₂ = P₁ × V₁ / P₂

V₂ = 1.00 atm × 1.84 L / 30.0 atm

V₂ = 0.0613 L

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