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mezya [45]
3 years ago
5

Four nails have a total mass of 4.42 grams how many moles of iron atoms do they contain

Chemistry
1 answer:
deff fn [24]3 years ago
5 0

Answer:4.42 g= 1 mol/55.845 =.079 moles of Fe

Explanation:Given 4.42 grams of Fe. The atomic weight of Fe(iron) found on the periodic table is 55.845. Divide grams by the atomic weight to convert to moles.

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3 years ago
Are alcohols with more than one hydroxyl group attached to a carbon sequence.
Darya [45]

Answer:

Polyhydroxyl alcohols

Explanation:

Whenever we have several C-OH bonds, we have a polyhydroxyl alcohol. For example, if we have just one alcohol group, that is, an R-OH group, then the naming is simple, say, we have EtOH, it's ethanol.

The problem becomes more complicated when we have several hydroxyl groups present in the alcohol. Let's say we have an ethane molecule and we replace the hydrogen atoms of carbon 1 and 2 with hydroxyl groups. In that case, we have 1,2-ethanediol. Similarly, we can have triols etc.

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3 years ago
Writing the net ionic equation
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First write the molecular equation with states:


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Now write a full ionic equation by separating into ions all substances that dissociate: anything (s) (g) or (l) does not dissociate


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To write the NET IONIC equation, inspect the full ionic equation above and delete anything that appears on both sides of the → sign:


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S 2-(aq) + 2Ag + (aq) → Ag2S(s)

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3 years ago
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3 years ago
The table shows the number of reactants and products present during two separate chemical reactions.
aleksandr82 [10.1K]

Answer: Option (a) is the correct answer.

Explanation:

A decomposition reaction is defined as a reaction where a compound dissociates into two or more atoms.

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3 years ago
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