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beks73 [17]
4 years ago
13

10.0 g of Mg(NO3)2 = ____ moles

Chemistry
1 answer:
JulsSmile [24]4 years ago
6 0

Answer:

0.067424154568526 moles

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5

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3 years ago
Suppose that the carbon atom pictured here as a reactant had already formed a double bond with another carbon atom. how many hyd
ivanzaharov [21]
A carbon atom is capable of bonding with 4 atoms including carbon itself. So, when there is a double bond between two carbon atoms, each carbon atom has an extra 2 unoccupied bonds. <em>Thus, each carbon atom in a C=C bond is capable of bonding with two other hydrogen atoms.</em>
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4 years ago
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A scientist claims to have a cooling apparatus kept at -100C by liquid nitrogen. Is this possible? Why or why not?
Vilka [71]

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It is not possible

Explanation:

Nitrogen is a light gas that find application in my areas including being used to keep things cold.It has a freezing point of -210°c so the scientist Nitrogen in the question at 100°c have already freezed and no longer a liquid.

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4 years ago
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6 0
3 years ago
A thick coating of plaster of Paris is applied over the bandage on a fracture bone.It becomes hard on drying to keep the fractur
seraphim [82]

Answer:

The change in POP can not be reversed hence it is a chemical change.

Explanation:

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The chemical name of plaster of Paris is calcium sulfate hemihydrate. The setting of POP is an example of a chemical reaction.

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3 years ago
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