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evablogger [386]
3 years ago
13

Which is true of a liquid?

Chemistry
1 answer:
Oksanka [162]3 years ago
3 0

Answer would be c hope this helped

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Suppose that coal of density 1.5 g/cm^3 is pure carbon. (It is, in fact, much more complicated, but this is a reasonable first a
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Answer:

q = -6464.9 kJ

Explanation:

We are given that the heat of combustion is  ∆H° = −394 kJ per mol of carbon.Therefore what we need to do is calculate how many moles of C are in the lump of coal by finding its mass since the density is given.

vol = 5.6 cm x 5.1 cm x 4.6 cm = 131.38 cm³

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q =  −394 kJ /mol C x 16.41 mol C = -6464.9 kJ

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______________ is a reaction that causes the growth of a polymer chain. In this reaction, a relatively small molecule is formed
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Condensation polymerization

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How do substances and mixtures diifer
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Answer:

hello hope this helps :)

a pure substance consists only of one element or one compound. a mixture consists of two or more different substances, not chemically joined together.

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