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bearhunter [10]
4 years ago
13

What’s the answer for number 2?

Chemistry
2 answers:
otez555 [7]4 years ago
6 0
Surface wave that is the answer
Lady bird [3.3K]4 years ago
4 0
The answer to this is surface wave i think
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Calculate the ph of a solution whose(oh^-) is 4.583*10^-5 mole dm cube (pkw=14)​
Sergeu [11.5K]

pH of solution = 9.661

<h3>Further explanation </h3>

pH is the degree of acidity of a solution that depends on the concentration of H⁺ ions. The greater the value the more acidic the solution and the smaller the pH.

pH = - log [H⁺]

So that the two quantities between pH and [H⁺] are inversely proportional because they are associated with negative values.

pOH=-log[OH⁻]

\tt pOH=-log[4.583\times 10^{-5}]\\\\pOH=5-log~4.583=4.339

pH+pOH=pKw

\tt pH=14-4.339\\\\pH=9.661

8 0
3 years ago
What will occur if the velocity of the gas molecules colliding with the sides of the container increases?
yanalaym [24]

The pressure  of the gas will increases

6 0
4 years ago
Read 2 more answers
What is the molarity of a solution of 1/2 mol of cu(no3)2 in 1/2 L water
sweet [91]
Molarity is mole divided by volume in litres.
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6 0
4 years ago
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How does changing the temperature affect the chemical reaction?
Rufina [12.5K]

Answer:

C

Explanation:

Temperature is directly related to kinetic energy (KE). As we raise temperature, we are raising KE, as well. Particles with more KE move more quickly and with more force.

This means that these particles are more likely to collide with each other and react to allow the chemical reaction to follow through. In turn, if the chemical reaction is more likely to go to completion, the reaction rate increases, eliminating A and B.

The concentration of the solute is not affected by the temperature; in other words, temperature will not increase or decrease the amount of solute in the solution, so eliminate D.

Thus the answer is C.

Hope this helps!

4 0
4 years ago
When sugar crystals dissolve in water the level of water does not rise appreciably why?
Vlad [161]
Water molecules have space in between them. They are not packed tightly in liquid form. So the dissolved sugar molecules fill the intermolecular space in between the water molecules. This is why you cannot really see a rise in water level.  
6 0
3 years ago
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