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olga2289 [7]
3 years ago
12

Which formulas represent one iconic compound and one molecular compound

Chemistry
1 answer:
Kisachek [45]3 years ago
6 0
An ionic compound is any compound containing a metal and a nonmetal

For example: NaCl, MgO, etc

Sometimes they’ll include polyatomic ions, such as CN (cyanide), ClO3 (chlorate), and many others

For example: NaCN, LiClO3, etc


A covalent or molecular compound usually contains shared pairs of electrons

Some examples are H2O, CO2, CHCl3

Notice, that these are all composed of non-metals.


Hope this helps. It’s hard to answer specifically when I can’t see the options.

If this helps, give me a brainliest, so I know I was helpful.
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Which of the following is true for an excess reactant?
kupik [55]

Answer:

C) It is the reactant that is left over after the reaction stops.

Explanation:

The excess reactant is the reactant that is left over after the reaction stops. The extent of the reaction is not determined by this reactant.

A limiting reactant is a reactant that is in short supply within a given reaction.

Such reactants determines the extent of chemical reaction.

  • Limiting reactants are used up in a chemical reaction.
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8 0
2 years ago
Any change that alters a substance without changing it into another substance.
Ber [7]
A physical change.

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7 0
2 years ago
What is the boiling point of water at an elevation of 1.55×104 ft ?
horsena [70]
The computation for this problem is:
(1.55x10^4 / 1.0x10^3) x 19.8 mm Hg
= 15.5 x 19.88 mm Hg
= 308.14 mm Hg decrease 
= 308.14 x 0.05 C = 15.407 deg C 
deduct this amount to 100
100 – 15.407 = 84.593 C 
ANSWER: 85 deg C (rounded to 2 significant figures)
4 0
3 years ago
Which elements can have expanded octets?
PSYCHO15rus [73]

Answer:

Sulfur, phosphorus, silicon, and chlorine are common examples of elements that form an expanded octet.

Explanation:

Phosphorus pentachloride (PCl5) and sulfur hexafluoride (SF6) are examples of molecules that deviate from the octet rule by having more than 8 electrons around the central atom

7 0
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Describe the strength of the Coriolis effect as you move from the equator to the poles of the earth
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The Coriolis Effect describes the turn of the wind to the right in the Northern Hemisphere caused by earth's rotation.
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