5. Which describes why the sun is a renewable resource?

Chemistry

1 answer:

nordsb [41]2 years ago

3 0

C. the sun is continuously releasing energy.

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Can a substance be cooled to a temperature below its freezing point

Fittoniya [83]

Pure, crystalline solids have a characteristic melting point, the temperature at which the solid melts to become a liquid. The transition between the solid and the liquid is so sharp for small samples of a pure substance that melting points can be measured to 0.1oC. The melting point of solid oxygen, for example, is -218.4o<span>C.</span>

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4 years ago

Why is water displacement an effective way of measuring the volume of an irregular solid?

aksik [14]

Water displamement is effective because there is no way to get an exact and accurate measurement of an irregular solid because you can't measure curved line. Water displamement gives you a proper, exact, and accurate answer.

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Write balanced complete ionic equation for the reaction AgNO3(aq)+KCl(aq)→AgCl(s)+KNO3(aq).

Nikitich [7]

AgNO3(aq) + KCl (aq)-----> AgCl(s) + KNO3(aq)

Ag ^+(aq) + NO3^-(aq) + K^+ (aq) + cl^- (aq) ----> AgCl(s) + K^+(aq) + NO3^-(aq)

net ionic equation
Ag ^+(aq) + Cl^-(aq) ----> AgCl(s)

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3 years ago

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How many grams are in 0.21mol sample of ethyl alcohol?

vampirchik [111]

Mass = moles x molar mass
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4 years ago

draw two lewis structures for a compound with the formula c4h10 . no atom bears a charge, and all carbon atoms have complete oct

I am Lyosha [343]

The number of sigma bonds = 5, and number of pi bonds = 3 in the given compound. Shown in attachment are the two Lewis structures of the compound with molecular formula C4H10. The two structures are the isomers of each other.

Butane is an alkane represented by C4H10. All the bonds in this situation are single bonds because this substance is an alkane. Two shared electrons are present in every bond.

Each carbon atom requires 8 electrons around it in order to follow the Octet Rule. The octet rule was completed by the hydrogen bonds, eliminating the need for the electron dots.

Straight-chained butane is the first structure. The y-chained isobutane is the second structure.

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