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lapo4ka [179]
3 years ago
14

What effects do catalysts have on chemical reactions?

Chemistry
1 answer:
cupoosta [38]3 years ago
8 0

Answer:

3

Explanation:

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Calculate the density of carbon dioxide at STP
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Answer:

Density = mass/volume

= 44/22.4

= 1.96 gram/liter

The density of the Carbon Dioxide at S.T.P. (Standard Temperature and Volume) is 1.96 gram/liter.

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Determine whether a gas sample was composed of hydrogen or oxygen.
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The test for this is fairly simple.
We take a glowing match or splint near the gas sample, if the glow intensifies, oxygen is present. 
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g Where, approximately, is the negative pole on each of these molecules? Lewis structure for C O F 2. A central C atom is single
seropon [69]

The molecule with higher dipole moment is COFH because the geometry of the molecule in the COF2 nearly cancel the dipolar moment of each other. To be more clear:

The dipolar moment is the vectorial sum of all bond moments in the molecule or dipolar moment of each bond. The dipolar moment of a molecule with three or more atoms is determined by bond polarity as their geometry.

COF2 has a trigonal planar structure which are symmetric. The electronegativity of oxygen is slightly different regarding fluor. So as you can see in the image, the electronic density is specially displaced to the fluor atoms, but either to the oxygen atom.

COFH has a trigonal structure but differs from COF2 because there is an hydrogen who is donating it's electronic density, so in this zone the electronic density is less than over oxygen or fluor. That makes bond angles be different between them.

3 0
3 years ago
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Water can be formed in the following reaction: 2H2 + O2 —> 2H2O. If you have 12 moles of Hydrogen gas (H2), how many moles of
Kaylis [27]

Answer: 6

Explanation:

3 0
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Is hydrogen a neutral atom or ion
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Answer:

Hydrogen is the smallest chemical element. It has one proton and one electron, making it neutral. However, the ions of hydrogen atom are charged species. Thus, the key difference between hydrogen atom and hydrogen ion is that the hydrogen atom is neutral whereas hydrogen ion carries a charge.

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