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Setler79 [48]
3 years ago
13

What can we learn about past climate changes from ice cores?

Chemistry
1 answer:
Mice21 [21]3 years ago
6 0
Fossil fuels about into Earth ice age time
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After using an oil-based paint, you can't clean the brush in water but you can use mineral turpentine, or white spirit. Propose
ddd [48]

Let's understand the situation

You are using an oil based paint .We know oil contains hydrocarbons means CH- bonded compound . Hydrocarbons are known as organic compounds and non polar .The thing non polar doesn't matter much but thing organic matters .

Now coming to water ,water contains OH bonding ,a lone pair is present over O which makes water polar . Although water is also known as inorganic compound.

We know that like dissolves like .In that manner Organic compounds are soluble in only organic compounds and not in inorganic compounds like water .Thus oil paint is insoluble in water as particles don't dissolve

Hence to clean the oil you need organic solvents like toulenw,spirit ,Benzyl compounds etc .

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1 year ago
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3 years ago
Why does oxygen have a melting point
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The intermolecular forces between water molecules are stronger than those between oxygen molecules. In general, the bigger the molecule, the stronger the intermolecular forces, so the higher the melting and boiling points.

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2 years ago
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Did education decline during the Renaissance
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No, education actually increased during the Renaissance. It was a time where people were discovering the philosophical nature of things, and were putting it into writing and such. The Renaissance was a time period where more and more people considered introspective ideas and more people studied topics such as art, science, mathematics, technology, music, and warfare.

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In an endothermic reaction, always treat heat as a
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And an endothermic reaction, always treat heat as a reactant
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