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Dima020 [189]
4 years ago
5

Read the following chemical equation.

Chemistry
1 answer:
elena55 [62]4 years ago
5 0

Answer:

Iron gains three electrons.

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GarryVolchara [31]
Is this supposed to be a question?????
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What is the [H+] of a solution with a pH of 6.6? Use a scientific calculator.
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The melting point of phenol is 40.5∘C and that of toluene is −95∘C. What is the best explanation for this difference? Select the
romanna [79]

Answer:

None of the above

Explanation:

The (−OH) group on phenol can form hydrogen bonds, and the −CH3 group on toluene cannot.

Phenol has only one hydrogen on the −OH group available to form hydrogen bonds, so the hydrogen bond is stronger. In toluene, the hydrogen bond is spread over all three hydrogens on the methyl group, so the interaction is weaker overall.

Phenol has a higher molecular mass than toluene.

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3 years ago
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The burning of propane gas can be represented as a balanced chemical reaction as follows: C3H8(g)+5O2(g)→3CO2(g)+4H2O(g) Calcula
Snezhnost [94]

Answer: 20L of H2O

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C3H8 + 5O2 → 3CO2 + 4H2O

Recall 1mole of a gas contains 22.4L at stp

5moles of O2 contains = 5 x 22.4 = 112L

4moles of H2O contains = 4 x 22.4 = 89.6L

From the equation,

112L of O2 produced 89.6L H2O

There for 25L of O2 will produce XL of H2O i.e

XL of H2O = (25 x 89.6)/112 = 20L

6 0
4 years ago
Which line segment on the graph represents boiling
hoa [83]
1. There is no graph given

2. ENERGY LEVELS!!!

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