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777dan777 [17]
3 years ago
11

which of the following shapes would represent a molecule with two bonded atoms and 3 lone pairs on only one of them , trigonal p

lanar , Bent , Trigonal pyramidal , linear​
Chemistry
1 answer:
Rina8888 [55]3 years ago
8 0

Answer:

The correct answer is D :Linear

Explanation:

Talking about molecular geometry and arrangement of atoms, liner geometry and trigonal bipyramidal arrangement of atoms would have 3 lone pairs and 2 no. of bond pairs.

For example, in ICl2 and XeF2, the central molecule has 3 lone pairs, and it shows sp3d hybridization.

In trigonal bipyramidal arrangement, orbitals have trigonal bipyramidal structure. It has three-atom molecules which have a linear shape and the orbitals on the equator contain three lone pairs each.

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Calculate the empirical formula for a compound containing 67.6% Hg 10.8% S 21.6% O
pashok25 [27]

Answer:

HgSO₄

Explanation:

% => g => moles => ratio => reduce => empirical ratio

%Hg = 67.6% => 67.6g/201g/mol = 0.34mol

%S    = 10.8% => 10.8g/32g/mol = 0.34mol

%O   = 21.6% => 21.6g/16g/mol = 1.35mol

Hg:S:O => 0.34:0.34:1.35

Reduce to whole number ratio by dividing by the smaller mole value...

Hg:S:O => 0.34/.34:0.34/.34:1.35/.34 => Empirical Ratio = 1:1:4

∴ Empirical Formula is HgSO₄

3 0
3 years ago
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aniked [119]

Answer:

Explanation:

Sn(WC)2

if it is tungsten carbide this should be correct but there are many versions of carbide

Sn(MC2)2

could also be possible

the 2 next to MC should be a subscript

3 0
3 years ago
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grin007 [14]

Answer:

The photoelectric effect is the emission of electrons when electromagnetic radiation, such as light, hits a material. Electrons emitted in this manner are called photoelectrons.

Based on the wave model of light, physicists predicted that increasing light amplitude would increase the kinetic energy of emitted photoelectrons, while increasing the frequency would increase measured current.

3 0
2 years ago
Uranium-267 undergoes alpha decay, what is the mass of the new element?
Firlakuza [10]

Answer:

will this help ?

Explanation:

(108Hs) is a synthetic element, and thus a standard atomic weight cannot be given. Like all synthetic elements, it has no stable isotopes. The first isotope to be synthesized was 265Hs in 1984. There are 12 known isotopes from 263Hs to 277Hs and 1–4 isomers. The most stable isotope of hassium cannot be determined based on existing data due to uncertainty that arises from the low number of measurements. The confidence interval of half-life of 269Hs corresponding to one standard deviation (the interval is ~68.3% likely to contain the actual value) is 16 ± 6 seconds, whereas that of 270Hs is 9 ± 4 seconds. It is also possible that 277mHs is more stable than both of these, with its half-life likely being 110 ± 70 seconds, but only one event of decay of this isotope has been registered as of 2016.[1][2].

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2 years ago
Muscles undergo fermentation when no carbon dioxide is available. no oxygen is available. no pyruvate is available. no water is
Komok [63]
When no oxygen is available
8 0
3 years ago
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