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Yuliya22 [10]
2 years ago
9

The observation that 20g of hydrogen gas always combines with 160g of oxygen gas to form 180g of water, even when there is more

than 160g of oxygen present in the reaction container it illustrates the law of?
A. Definite proportions
B. Ideal Gasses
C. Multiple proportions
D. Excess reactants
Chemistry
1 answer:
mash [69]2 years ago
3 0

Answer:

The answer is most likely A. Definite proportions

Explanation:

The Law of Definite proportions states that a given chemical compound always contains its component elements in fixed ratio (by mass) and does not depend on its source and method of preparation.

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Answer:

Three double bonds and no lone pairs of electrons- trigonal planar

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Three single bonds and one lone pair of electrons- trigonal pyramidal

Two double bonds and no lone pairs of electrons - linear

Four single bonds and no lone pairs of electrons- tetrahedral

Six single bonds and no lone pairs of electrons- octahedral

Explanation:

The valence shell electron pair repulsion theory gives a description of the shape of a molecule based on the number of regions of electron density present on the valence shell of the central atom of the molecule.

The molecules are distorted away from the shape predicted on the basis of the VSEPR by the presence of lone pairs on the valence shell of the central atom in the molecule. In the absence of lone pairs, the shape of a molecule is exactly the shape predicted on the basis of the VSEPR theory.

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