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ludmilkaskok [199]
3 years ago
8

Ok so brainly deleted My two accounts I had to make a new one because they deleted my first one and then after I made that new o

ne they deleted it after five minutes (this all just happend by the way). So if you were following sorayalopez0609 or ThatRando (those were my two old accounts) That's ne but on a new account so if you were following those you can fallow me again if you want​
Chemistry
1 answer:
KatRina [158]3 years ago
5 0
Nice haha that good for sum ppl
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Hi can you slove this please. ..​
Crank

Answer : The balanced chemical equation will be:

(i) 2K+H_2SO_4\rightarrow K_2SO_4+H_2

(ii) Mg(OH)_2+Zn\rightarrow Zn(OH)_2+Mg

Explanation :

Balanced chemical equation : It is defined as the equation in which total number of individual atoms on the reactant side is equal to the total number of individual atoms on product side.

Part (i):

The balanced chemical equation will be:

2K+H_2SO_4\rightarrow K_2SO_4+H_2

This reaction is a single displacement reaction in which most reactive element (potassium) displaces the least reactive element (hydrogen) form their solution.

Part (ii):

The balanced chemical equation will be:

Mg(OH)_2+Zn\rightarrow Zn(OH)_2+Mg

This reaction is a single displacement reaction in which most reactive element (zinc) displaces the least reactive element (magnesium) form their solution.

7 0
4 years ago
Explain the law of conservation of energy.
Ulleksa [173]
<h2>Energy is conserved. It never appears or disappears. It just changes from one kind of type to another. The Universe contains the same amount of energy it started with. This amount can never change.</h2><h2></h2>

6 0
3 years ago
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A gas mixture containing oxygen, nitrogen, and carbon dioxide has a total pressure of 42.9 kPa. What is the partial pressure of
Lady bird [3.3K]
The total Pressure equals the sum of all pressures contained 

<span>Since total pressure and the pressure of nitrogen and oxygen is given, finding the pressure of carbon dioxide is given by: </span>

<span>Pressure of Carbon dioxide = 42.9- 6.6- 23.0 </span>
<span>=13.3kPa </span>
4 0
3 years ago
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Quick question plz . .....Which one of the following is acidic oxide?
dedylja [7]

Answer:

B

Explanation:

its an acidic oxide, it disolves in water to form carbonic acid which is an acid

8 0
3 years ago
How do you figure out how many isotopes an element has?
Helen [10]

by counting the isoto

7 0
3 years ago
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