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netineya [11]
2 years ago
9

How does NaOH form a basic solution when it dissolves in water

Physics
1 answer:
Lubov Fominskaja [6]2 years ago
8 0
It decomposes into CH3COO- and H+ when dissolved in water. The H+ ions react with the water molecules to generate H3O+, making the solution acidic. When NaOH is added to water, it separates into Na+ and OH-. The sodiums have little effect on the solution, but the hydroxyls make it more basic.
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A pyramid was built with approximately 2.3 million stone blocks, each weighing 2.4 tons (1 ton = 2,000 lbm). Find the mass of th
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Total weight in tons

\\ \sf\longmapsto 2.3\times 10^6\times 2.4

\\ \sf\longmapsto 5.52\times 10^6

\\ \sf\longmapsto 5520000ton

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3 years ago
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Explain the relationship between speed, velocity and acceleration
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4 years ago
The process by which hot and cold air are transferred in the atmosphere is
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Hey there!

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3 years ago
23 grams of sodium reacted with 35.5 grams of chlorine. Calculate the mass of the sodium chloride compound formed
xxTIMURxx [149]
According to law of conservation of mass within a reaction,
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4 years ago
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A 40-cmcm-long tube has a 40-cmcm-long insert that can be pulled in and out. A vibrating tuning fork is held next to the tube. A
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Answer:

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First, I should point out there might be a typo in the question or the question has inconsistent values. If the tube is 40 cm long, standing waves cannot be produced at 42.5 cm and 58.5 cm lengths. I assume the length is more than the value in the question then. Under this assumption, we proceed as below:

The insert in the tube creates a closed pipe with one end open and the other closed. For a closed pipe, the difference between successive resonances is a half wavelength \frac{\lambda}{2}.

Hence, we have

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v=f\lambda

f=\dfrac{v}{\lambda}

f=\dfrac{343}{0.32}=1070 \text{ Hz}

7 0
3 years ago
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