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nekit [7.7K]
4 years ago
12

Which direction does air circulate into low pressure zones in the northern and southern hemisphere

Chemistry
2 answers:
AnnZ [28]4 years ago
8 0
The rotation of the earth viewed from the south pole is clockwise.
a low pressure area would have a clockwise turning and a high pressure area would have a counterclockwise turnig
Yuri [45]4 years ago
5 0
<span>Now consider a low pressure area on a disk as shown below.A parcel of air at point A would move toward the center of the low pressure area. That movement would take it farther away from the center of the disk and therefore it would move to the west. A parcel of air at B would move toward the center of the low pressure area which would also take it closer to the center of the spinning disk where its speed is greater than the surrounding points. It would appear to move to the east. With A moving to the west and B moving to the east the line from A to B is rotating counterclockwise.</span>
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Given a balanced chemical equation between H2SO4(aq) and KOH(aq) H2SO4(aq) + 2 KOH(aq) → K2SO4(aq) + 2 H2O(l) What volume (in mL
Lynna [10]

Answer:

48.84mL

Explanation:

H2SO4 + 2KOH → K2SO4 + 2H2O

From the question:

nA = 1

nB = 2

From the question given we obtained the following information:

Ma = 0.43M

Va =?

Mb = 0.35M

Vb = 120mL

Using MaVa / MbVb = nA/nB, we can easily find the volume of the acid required. This is illustrated below:

MaVa / MbVb = nA/nB

0.43 x Va / 0.35 x 120 = 1/2

Cross multiply to express in linear form

2 x 0.43 x Va = 0.35 x 120

Divide both side by the (2 x 0.43)

Va = (0.35 x 120) /(2 x 0.43)

Va = 48.84mL

Therefore, the volume of H2SO4 required is 48.84mL

8 0
3 years ago
Read 2 more answers
Which of the following chemical reactions is an oxidation-reduction reaction?
3241004551 [841]
C. N₂ + 3H₂ → 2NH₃
In a redox, or oxidation-reduction, reaction, one of the reactants must be reduced, which means its oxidation number decreases, while the other reactant must be oxidized, which means its oxidation number increases. The oxidation number of nitrogen in the reactants is 0 and is -3 in the products, so it is reduced. Similarly, the oxidation number of hydrogen is 0 in the reactants but it is +1 in the products.
6 0
3 years ago
How many grams of product are formed from 2.0 mol of N2 (g) and 8.0 mol of Mg(s)? Show all calculations leading to an answer. Li
Vaselesa [24]

Balanced chemical reaction happening here is:

3Mg(s) + N₂(g) → Mg₃N₂(s)        


 <u>moles of product formed from each reactant:</u>


2.0 mol of N2 (g) x <u> 1 mol Mg₃N₂      </u>  = <u>2 mol Mg₃N₂</u>

                                    1 mol N2

and


8.0 mol of Mg(s) x <u> 1 mol Mg₃N₂      </u>   = 2.67 mol Mg₃N₂

                                 3 mol Mg


Since N2 is giving the least amount of product(Mg₃N₂) ie. 2 mol Mg₃N₂

N2 is the limiting reactant here and Mg is excess reactant.


Hence mole of product formed here is 2 mol Mg₃N₂    


molar mass of Mg₃N₂    

= 3 Mg + 2 N

= 101g/mol  


mass of product(Mg₃N₂) formed  

= moles x Molar mass

= 2 x 101

= 202g Mg₃N₂


<u>202g of product are formed from 2.0 mol of N2(g) and 8.0 mol of Mg(s).</u>


<u>   </u>   The following are indicators of chemical changes:

Change in Temperature    

Change in Color

Formation of a Precipitate



8 0
3 years ago
Materials that have high resistance to electric current are called ____________.
yaroslaw [1]
Electrical insulators.
3 0
4 years ago
Which type of molecule is shown below?<br> O A. Alkane<br> B. Alkyne<br> C. Aromatic<br> D. Alkene
V125BC [204]

Answer:

alkyne molecules is shown

3 0
3 years ago
Read 2 more answers
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