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stira [4]
3 years ago
9

What is the purpose of a devil's advocate? to push for a decision to be made in a timely manner. to point out obvious flaws in e

ach solution to make sure unpopular views are discussed to provide the vote to make the majority?
Chemistry
1 answer:
Lady_Fox [76]3 years ago
3 0

Yes, exactly: to point out new perspectives to expand people's one-sided views on issues.

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The purpose of the salt bridge in an electrochemical cell is to ____.
IgorLugansk [536]

Answer:

A. maintain electrical neutrality in the half-cells via migration of ions

Explanation:

Salt bridge -

For an electrochemical reaction , involving an anode and a cathode , both the electrodes are connect via a salt bridge to complete the circuit for the reaction .

One of the very important use of a salt bridge is to maintain the electrical neutrality of the respective half cells , which is achieved by the movement of ions .

Hence , from the given options , the correct option is ( a ) .

8 0
3 years ago
The primary anthropogenic source of atmospheric carbon dioxide (co2 ) is
Ket [755]
Burning of oil,gases and coal are the antropogenic source of co2 
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On a graph showing distance versus time, a horizontal line represents an object that is
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Answer:

the anwser is; B: increasing its speed

5 0
3 years ago
Explain, in detail, how you convert grams of one substance to grams of something else. Be specific and include each step
elena-14-01-66 [18.8K]
I will present a simple reaction so we can do this conversion:

2H₂ + O₂ → 2H₂O

We will assume we have 32 g of O₂ and we want to find the amount of water, assuming this reaction goes to completion. We must first convert the initial mass to moles, which we do using the molar mass in units of g/mol. The molar mass of O₂ is 32 g/mol.

32 g O₂ ÷ 32 g/mol = 1 mole O₂.

Now that we have moles of oxygen, we use the molar coefficients to find the ratio of water molecules to oxygen molecules. We can see there are 2 moles of water for every 1 mole of oxygen.

1 moles O₂ x (2 mol H₂O/ 1 mol O₂) = 2 moles H₂O

Now that we have the moles of water, we can convert this amount into grams using the molar mass of water, which is 18 g/mol.

2 moles H₂O x 18 g/mol = 36 g H₂O

Now we have successfully converted the mass of one molecule to the mass of another.
5 0
3 years ago
Water is formed when two hydrogen atoms bond to an oxygen atom.
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They are two different elements, C. Elements
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3 years ago
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