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amm1812
3 years ago
11

Molecules can be constructed by combining atoms of the same element. True or false?

Chemistry
2 answers:
earnstyle [38]3 years ago
6 0
True

hope that helps :)
Vera_Pavlovna [14]3 years ago
5 0
By deffinition a molecule is a more or less stable grouping of two or more atoms held together by a chemical bond; they may be the same element.
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Which word doesn't belong?<br> period, group, family, eighteen
vampirchik [111]

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eighteen

Explanation:

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3 years ago
If the reactants on the left side of a chemical equation are C3H8 + 5O2, the products in a balanced equation could be
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6 0
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How many carbon atoms are present in 0.46 moles of C2H6O?
s2008m [1.1K]
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Hope this helps!
3 0
3 years ago
Is cornstarch able to disintegrate in fire or an open flame?
Darya [45]

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7 0
2 years ago
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For the reaction2 C4H10 (g) + 13 O2 (g) → 8 CO2 (g) + 10 H2O (g)ΔH° is -125 kJ/mol and ΔS° is +253 J/K ∙ mol. This reaction is _
ivanzaharov [21]

Answer:

C. spontaneous at all temperatures

Explanation:

The spontaneity of  reaction is determined by the sign of the  gibbs free energy.

A negative sign denotes that the reaction is spontaneous, positive sign means the reaction is not spontaneous.

From the question;

ΔS° = +253 J/K

ΔH° = -125 kJ/mol

ΔG = ΔH°  - TΔS°

From the data given, the condition in which we can obtain a negative value of G, is at any value of T.

For any value of T, G would always be a negative value.

This means the correct option is option C.

3 0
3 years ago
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