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Furkat [3]
3 years ago
9

My feet get hot as soon as I touch the sand. What kind of heat transfer occurred?

Chemistry
1 answer:
monitta3 years ago
7 0
Conduction is the correct Answer
please mark brainliest
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Answer:

is capable of combining with oxygen to form iron oxide

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Which alkane would have a higher boiling point?a)ethaneb)pentanec)heptane
Whitepunk [10]

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The correct answer is option c.

Explanation:

Alkanes with higher molecular mass has higher boiling point.

Thisis because when the molar mass of the alkanes increases the the surface area  increases with which van der Waals forces between the molecules of alkane also increase which increases the association of the molecules of with each other which results in increase in boiling point is observed.

The increasing order of the molar mass of the given alkanes;

C_2H_6

So out of ethane, pentane and heptane . Heptane has highest molecular mass with higher boiling point value. Where as ethane have the lowest value of boiling point.

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There are 0.109 moles of NaCl in one tablespoon of salt. This is found by dividing the number of grams you have by the molecular weight.
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