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Taya2010 [7]
4 years ago
8

Synthetic materials depend on what? I need 3 different answers.​

Chemistry
1 answer:
pav-90 [236]4 years ago
4 0
Plastics, medicines and new fuels.
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Which of the following statements is true?
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I think D?? I apologize if not-check in other answers to be sure ^^
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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.

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3 years ago
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5. The bond in a molecule of Cl2 could be described as
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the bond in a molecule of Cl2 is a covalent bond

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After Eris was discovered, scientists had to decide whether to count it as a planet. Why did this make them question whether Plu
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Answer:

After Eris was discovered, they had to decide whether Eris was a planet or not. If they decided it wasn't a planet, they had to also decide whether Pluto should be counted as a planet since Eris and Pluto were quite similar. They were the same size, and they were both part of the Kuiper Belt.

Explanation:

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The plants shown bloom in summer. Which statement explains why the plants bloom in summer? The nights are shorter. The nights ar
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Answer:

It’s A

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The nights are shorter. I just took the unit test review

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