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AlekseyPX
3 years ago
13

5. If you rub a balloon on a piece of fabric or carpeting and then hold it against your head, your hair can stand on end. Use wh

at you have learned in this lesson to explain why this happens.
Chemistry
1 answer:
juin [17]3 years ago
4 0
If you rub a balloon on a piece of fabric or carpet it will cause friction. If you rub a balloon on your head then because of friction your hair will fly around trying to attract to the balloon.

Hope this helped!

Also I know where you got this question from. You got it from the Assignment for 3.05. Am I right? I am in FLVS. are you too?
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Which of the following is a galvanic cell?
sladkih [1.3K]

C. Aluminum (Al) oxidized, zinc (Zn) reduced

<h3>Further explanation</h3>

Given

Metals that undergo oxidation and reduction

Required

A galvanic cell

Solution

The condition for voltaic cells is that they can react spontaneously, indicated by a positive cell potential.

\large {\boxed {\bold {E ^ ocell = E ^ ocatode -E ^ oanode}}}

or:  

E ° cell = E ° reduction-E ° oxidation  

For the reaction to occur spontaneously (so that it E cell is positive), the  E° anode must be less than the E°cathode

If we look at the voltaic series:

<em>Li-K-Ba-Ca-Na-Mg-Al-Mn- (H2O) -Zn-Cr-Fe-Cd-Co-Ni-Sn-Pb- (H) -Cu-Hg-Ag-Pt-Au </em>

The standard potential value(E°) from left to right in the voltaic series will be greater, so that the metal undergoing an oxidation reaction (acting as an anode) must be located to the left of the reduced metal (as a cathode)

<em />

From the available answer choices, oxidized Al (anode) and reduced Zn (cathode) are voltaic/galvanic cells.

7 0
3 years ago
Read 2 more answers
What is the frequency of light that has an energy of 3.98 x 10-18 J
Dominik [7]
This is what i have found i hope this helps

8 0
2 years ago
For each of the bonds listed, tell which atom is more negatively charged a. C--H b. C--N c. C--S d. C--O
blondinia [14]

Explanation:

The atom is considered to be more electronegative , when it has the tendency to get a slight negative i.e. , delta negative charge on it , and the other atom gets a delta positive charge .

In the periodic table ,

As we go left to right in the periodic table , the electronegativity increases ,

and

As we go top to bottom , the electronegativity decreases .

Hence , from the option given in the question ,

a. C--H , the electronegativity of both the atom is almost the same , but looking at the treads of the periodic table , Carbon is more electronegative than hydrogen .

b. C--N ,  the electronegativity of both the atom is almost the same , but looking at the treads of the periodic table , nitrogen is more electronegative than Carbon .

c. C--S , the electronegativity of both the atom is almost the same , but looking at the treads of the periodic table , sulfur is more electronegative than Carbon .

d. C--O , the electronegativity of both the atom is almost the same , but looking at the treads of the periodic table , oxygen is more electronegative than Carbon .

5 0
2 years ago
My sister is a peach" is a metaphor.<br><br><br> TrueFalse
dolphi86 [110]
Yes that is a metaphor 

6 0
3 years ago
Calculate the number of atoms
erastova [34]

Explanation:

13 are the number of atoms

4 0
3 years ago
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