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weeeeeb [17]
3 years ago
14

What role does the salt bridge play in voltaic cell

Chemistry
2 answers:
kompoz [17]3 years ago
4 0
It provides the electric current, i.e. the positive and negative charges across the cell
Blababa [14]3 years ago
4 0

Answer:

It allows migration of ions from one half–cell to the other.

Explanation:

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Describe the relationship between kinetic energy and speed, and give an example of how changing an object’s speed would affect i
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Kinetic energy of an object is directly connected to the speed object. Like a toy car being used on a table, the toy car will speed up which means the kinetic energy of that toy car will also increase
8 0
3 years ago
What is the percent composition of each of the elements in Al(OH) 3 ?
stellarik [79]

Answer:

<em>Answer Below</em>

Explanation:

Percent composition by element

<u>Element </u>       <u>Symbol</u>  <u>Mass Percent</u>

Aluminium <u>Al</u>          34.590%

Hydrogen <u>H</u>          3.877%

Oxygen         <u>O</u>          61.533%

3 0
3 years ago
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So it can _____ ____ the egg’s exterior and enter
Dmitry_Shevchenko [17]
So it can break down the egg’s exterior and enter
8 0
2 years ago
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What is a neutrons and a proton?
Y_Kistochka [10]

Answer:

Protons are a type of subatomic particle with a positive charge

Neutrons are a type of subatomic particle with no charge (they're neutral).

7 0
3 years ago
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What is the limiting reactant when 8.4 moles of lithium react with 4.6 moles of oxygen gas?
serious [3.7K]

Answer: Lithium

Explanation: The balanced chemical equation is:

4Li+O_2\rightarrow 2Li_2O

It can be seen, 4 moles of lithium combines with 1 mole of oxygen gas to produce 2 moles of lithium oxide.

Thus 8.4 moles of lithium combines with=\frac{1}{4}\times {8.4}=2.1molesof oxygen gas to produce 4.2 moles of lithium oxide.

As, Lithium limits the formation of product, it is the limiting reagent and Oxygen gas is present in excess, it is called the excess reagent. (4.6-2.1)=2.5 moles of oxygen gas are present in excess.

5 0
3 years ago
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