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CaHeK987 [17]
3 years ago
8

How many hydrogen atoms are present in a hydrocarbon chain of five carbon atoms with two double bonds and two single bonds?

Chemistry
1 answer:
VashaNatasha [74]3 years ago
7 0
Is it multiple choice? if not, five.

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Which best explains how heat plays a role in the movement of materials within Earth's interior?
vfiekz [6]

Answer:

Hot material near the core is less dense and rises, when it cools, it becomes more dense and sinks.

Explanation:

This best explains how heat plays a role in the movement of materials within Earth's interior because it's how convection works. Convection is the circular motion that happens when warmer air or liquid which has faster moving molecules, making it less dense rises, while the cooler air or liquid drops down. Convection currents within the earth move layers of magma, and convection in the ocean creates currents.

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How many moles of Na2SO4, are produced from 7.00 moles of (NH4)2SO4?
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Answer:

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8 0
3 years ago
Sugar has a lower melting point than salt because sugar is made of _________.
il63 [147K]
The correct answer is Crystals.

Unlike sugar, salt is not made out of crystals, but both salt and sugar are made out of atoms, that is molecules, and can have ions.
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2 years ago
What is the molarity of a solution composed
Neporo4naja [7]

Answer:

0.0845 M

Explanation:

First we <u>convert 4.27 grams of potassium iodide into moles</u>, using its <em>molar mass</em>:

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Now we <u>calculate the molarity of the solution</u>, using <em>the number of moles and the given volume</em>:

  • Molarity = moles / liters
  • Molarity = 0.0257 mol / 0.304 L = 0.0845 M
7 0
3 years ago
When iocnic solids dissolve in water, the break down into the ____ ions (cations) and ___ ions (anions) that they contain?
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