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Inessa [10]
3 years ago
15

When writing the chemical formulas for a molecular compound, what method do you use?​

Chemistry
1 answer:
podryga [215]3 years ago
4 0

Answer:

A molecular compound is usually composed of two or more nonmetal elements. Molecular compounds are named with the first element first and then the second element by using the stem of the element name plus the suffix -ide.

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In a car engine gasoline is burning to create mechanical energy which of the following statements is true? A. Some energy is los
Anvisha [2.4K]

Answer:

Some energy is lost as heat

Explanation:

It is correct to say that as the gasoline is converted to mechanical energy in the automobile engine, some of the energy is lost as heat.

Heat energy is on of the ways energy is lost in any system. The movement of mechanical parts and even the combustion of the gasoline produces heat energy.

These energy are usually lost to the environment.

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2 years ago
What is the formula for the ionic compound formed by magnesium and iodine?
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The compound that is formed is: MgI2
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A small piece of hot metal is placed in cooler water. The metal is left in the water
scoundrel [369]

Answer: The amount of energy lost by the metal is equal to the amount of energy gained by the water

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2 years ago
What happens when hydrogen gas is passed over hot ferric oxide​
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Answer:

When hydrogen is passed over hot ferric oxide (FeO) hydrogen reacts with oxygen present in the compound and forms water (H2O) and pure Iron

Explanation:

7 0
2 years ago
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Help please
andrew11 [14]

Answer:

K2Cr2O7

Explanation:

Solubility refers to the amount of substance that dissolves in a given mass or volume of solvent. There are several units of solubility applicable in different areas.

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If we study the solubility curve closely, we will see that K2Cr2O7 has the highest solubility at 100°C. This means that if the trends continue, this substance will also have the highest solubility at 120°C.

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2 years ago
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