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yan [13]
4 years ago
12

What do you need to form a cloud?

Chemistry
1 answer:
kotykmax [81]4 years ago
5 0

moisture, condensation, and temperature. 2. Evaporation and condensation are part of how a cloud forms.

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The satellite photograph shows an area in Alaska after a fire occurred. Which statement best describes the most likely effect th
Nataly [62]

Answer:

all of the bad stuff such as ashes and chemicals in the air from that fire could bring bad stuff to the water

Explanation:

3 0
3 years ago
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A galvanic (voltaic) cell consists of an electrode composed of titanium in a 1.0 M titanium(II) ion solution and a second electr
Readme [11.4K]

Answer: The standard potential for this cell is +1.49 V at 25C.

Explanation:

E^0_{[Sn^{2+}/Sn]}=-0.14V

E^0_{[Ti^{2+}/Ti]}=-1.63V

As titanium has lower reduction potential, it will act as anode and tin will acts as cathode.

Ti+Sn^{2+}\rightarrow Ti^{2+}+Sn

Using Nernst equation :

E_{cell}=E^o_{cell}-\frac{2.303RT}{nF}\log \frac{[Ti^{2+}]}{[Sn^{2+}]}

where,

F = Faraday constant = 96500 C

R = gas constant = 8.314 J/mol.K

T = room temperature = 25^oC=273+25=298K

n = number of electrons in oxidation-reduction reaction = 2

E^0=E^0_{cathode}- E^0_{anode}=-0.14-(-1.63)=1.49V

Where both E^0 are standard reduction potentials.

E^o_{cell} = standard electrode potential of the cell = 1.49 V

E_{cell} = emf of the cell = ?

Now put all the given values in the above equation, we get:

E_{cell}=1.49-\frac{2.303\times (8.314)\times (298)}{1\times 96500}\log \frac{1}{1}

E_{cell}=1.49V

6 0
4 years ago
Negative radical in the periodic table​
yKpoI14uk [10]

Answer:

A radical is a group of atoms of elements carrying a charge, e.g., chlorate [ClO3–]. Radicals or ions are formed by losing or gaining electrons. When an electron is gained the group of atoms acquire a negative charge and is called a negative radical or negative ion.

5 0
3 years ago
16. Leo has 279 comic books in his collection. He puts 34 comic books in each box. About how many boxes of comic books does Leo
m_a_m_a [10]

Answer:C:9

Explanation:

279/34=8.205≈ 9

4 0
4 years ago
Which of these pairs of elements have the same number of valence electrons?
ElenaW [278]
The correct answer is the second option; sodium (Na) and potassium (K.)
Both sodium and potassium have the same number of valence electrons. 
6 0
3 years ago
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