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sladkih [1.3K]
2 years ago
11

What is a common factor associated with most severe storms?

Chemistry
2 answers:
snow_tiger [21]2 years ago
7 0
Severe storms are associated with the low pressure system depicted on weather maps
Volgvan2 years ago
4 0
A common factor is low pressure system. 
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How many grams o an ointment base must be added to 45 g o clobetasol (T EMOVAT E) ointment, 0.05% w/w, to change its strength to
saw5 [17]

Answer:

Drug calculation

If we have 45g of clobetasol  = 0.05%w/w

Then what mass in g of clobetasol is in 0.03%w/w = 45 x 0.03/0.05 =27g

It means that 27g of clobetasol must be added to change the drug strength to 0.03% w/w

3 0
1 year ago
The Lewis structures of four compounds are given. In the first molecule sufur is the central atom. There are two oxygen atoms bo
vesna_86 [32]

Answer:

Compound 1. Sulfur Dioxide

Compound 3. Dichloromethane

Compound 4. Phosphorus Trichloride

<em>(figure attached)</em>

Explanation:

Compound 1. Sulfur Dioxide

Polar compound

Through the Lewis structure it is confirmed that SO₂ is a polar compound, because it is an asymmetric compound having two regions of different polarity. The lower region having oxygen groups is more electronegative then the upper region.

Compound 2. Carbon Dioxide

Non polar Compound

Through the Lewis structure it is confirmed that CO₂ is a non polar compound, because it is a symmetric compound having two regions of same polarity. The left region and the right region both contains oxygen groups having same electronegativity.

Compound 3. Dichloromethane

Polar compound

Through the Lewis structure it is confirmed that CH₂Cl₂ is a polar compound, because it is an asymmetric compound having two regions of different polarity. Two chlorine atoms are attached to it and as we know that chlorine is a more electronegative element than hydrogen so it attracts the bonding pair of electrons towards itself which creates polarity.

Compound 4. Phosphorus Trichloride

Through the Lewis structure it is confirmed that PCl₃ is a polar compound, because three chlorine atoms attached to it and as we know that chlorine is a more electronegative element so it attracts the bonding pair of electrons towards itself which creates polarity.

8 0
1 year ago
A 0.12m solution of an acid that ionizes only slightly in solution would be termed _____.
Fittoniya [83]
A 0.12 M solution of an acid that only slightly ionizes in solution would be termed a weak acid. Weak acids are acids which do not completely dissociate in water. Thus lowering the presence of hydronium ions which measures the pH of an acid.  <span />
5 0
1 year ago
Read 2 more answers
Choose all the answers that apply. Natural gas _____. is renewable releases carbon dioxide when burned releases fewer toxins tha
MrRa [10]
Releases C02, less toxins.
5 0
2 years ago
Read 2 more answers
Which of these do not obey the octet rule? select all that apply. select all that apply. clo clo− clo2− clo3− clo4−?
ioda

The correct answer is ClO, ClO3-, ClO- and ClO4-

Kossel and Lewis in 1916 developed an important theory of chemical combination between atoms known as electronic theory of chemical bonding. According to this, atoms can combine either by transfer of valence electrons from one atom to another (gaining or losing) or by sharing of valence electron in order to have an octet( 8 electron) in their shells. This is known as octet rule.

In ClO2-, oxygen contains 8 electrons in its valence shell and oxygen will share one electron with chlorine to complete the octet of Cl. In other four, we can clearly see that there are more or less than 8 electrons in the outer shell of oxygen so we can clearly say that ClO, ClO3-, ClO- and ClO4-  are disobeying the octet rule.

3 0
2 years ago
Read 2 more answers
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