Which statement defines activation energy?

Chemistry

1 answer:

ehidna [41]3 years ago

3 0

Answer:

The statement which defines activation energy is that it is the difference between reactant energy and maximum energy.J

Explanation:

A reaction that does not have activation energy will not take place at all.

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When heated, calcium carbonate decomposes to yield calcium oxide and carbon dioxide gas via the reaction CaCO3(s)→CaO(s)+CO2(

Mazyrski [523]

Answer is: mass of calcium carbonate needed is 120 grams.
Chemical reaction: CaCO₃(s) → CaO(s) + CO₂(g).
V(CO₂) = 27.0 L.
Vm = 22.4 L/mol.
n(CO₂) = V(CO₂) ÷ Vm.
n(CO₂) = 27 L ÷ 22.4 L/mol.
n(CO₂) = 1.2 mol.
From chemical reaction: n(CO₂) : n(CaCO₃) = 1 : 1.
m(CaCO₃) = 1.2 mol.
m(CaCO₃) = n(CaCO₃) · M(CaCO₃).
m(CaCO₃) = 1.2 mol · 100 g/mol.
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4 years ago

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3 years ago

romanna [79]

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I think yes it can be. ( I'm not sure. Sorry )

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3 years ago

Draw the other possible resonance structure of each organic ion. In each case, draw the structure that minimizes formal charges.

pshichka [43]

Three resonance structures can be drawn for the allyl cation while two resonance structures can be drawn for the amidate ion.

Sometimes, we cannot fully describe the bonding in a chemical specie using a single chemical structure. In such cases, we have to use a number of structures which cooperatively represent the actual bonding in the molecule. These structures are called resonance or canonical structures.

The resonance structures of the allyl cation and the amidate ion are shown in the images attached to this answer. These structures show the different bonding extremes in these organic ions.

Learn more: brainly.com/question/4933048

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Hello there!

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3 years ago

Which statement defines activation energy?​

Which statement defines activation energy?