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vazorg [7]
3 years ago
14

On the basis of the reactions observed in the six test tubes, explain why the position of hydrogen cannot be fixed exactly with

respect to all of the other elements listed in the activity series in g
Chemistry
1 answer:
kifflom [539]3 years ago
7 0

Explanation :

Hydrogen is first atom of periodic table and has only one electron in its orbital.

It can released its single electron easily and exist as H^{+} ion as well as it can easily accepts an electron to complete its octet and exist as H^{-} therefore it placed in group-1 (alkali metals) as well as group-17 (halogens).

Conclustion:

It can easily released electron and accepts electron therefore its position is not fixed with respect to other elements.

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Write the equation for the reaction described: A solid metal oxide, Ag2O, and hydrogen are the products of the reaction between
Harlamova29_29 [7]

Answer:

2Ag + H2O -----> Ag2O + 2H

Explanation:

2Ag + H2O -----> Ag2O + 2H is the equation of the reaction between metal and steam. Silver reacts with water (steam) forming silver oxide and hydrogen gas. When the metals react with steam it produces the solid metal oxide and hydrogen gas. On the surface o metals, a protective layer of aluminium oxide is formed that keeps water away from the metal so we can say that silver oxide and hydrogen are formed from the reaction of silver metal and steam.

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3 years ago
Why are nanowhiskers used to repel stains on fabrics??
WINSTONCH [101]

Nanowhiskers or cellulose nanofibers are nano-structured cellulose produced by bacteria. They have relatively high crystallinity and ability to form a dense network held together by inter-fibrillar bonds that has the tendency to act as a barrier through their film-forming properties to which they can repel stains on fabric.

 

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7 0
4 years ago
(Hurry ASAP!!!) There are 1.5 moles of methane (CH4) in a tank. It has a pressure of 4.4 atm at 173°C. Find the volume occupied
slamgirl [31]

Answer:

hope this help !

Explanation:

Use the given functions to set up and simplify 173 ° C .

1.5 =

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8 0
3 years ago
Which is a conjugate pair in the following equilibrium? H2C2O4(aq) + HPO4(aq) 2- HC2O4(aq)- + H2PO4(aq)-
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3 0
3 years ago
Read 2 more answers
2. Why is it important in gravimetric analysis to add an excess amount of precipitating ions to a solution containing an analyte
Wewaii [24]

It is important in gravimetric analysis to add an excess amount of precipitating ions to a solution containing an analyte because it helps to determine the mass of the analyte.

<h3>What is Gravimetric analysis?</h3>

This is a method which is used in the determination of the quantitative determination of the ion being analyzed(analyte) based on its mass.

Adding an excess amount of precipitating ions to a solution containing an analyte will make it easier for the mass of an analyte to be determined.

It is also important for the precipitate to be a pure substance with a definite and known composition which therefore makes it the most appropriate reason.

Read more about Gravimetric analysis here brainly.com/question/6163057

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8 0
1 year ago
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