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krok68 [10]
3 years ago
7

Can you make a solution with a pH of 7 by changing ions?

Chemistry
1 answer:
love history [14]3 years ago
6 0
No, because NaCl is a neutral salt and doesn't affect the pH. Obviously such a high salt concentration change the chemical activity of the ions so the acid-base equilibrium will change. Even if you had added a strong acid would you see the effect of salt as pH is defined as the log to the activity of H+.
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Recently, the United States government decided to construct a huge crypt in the middle of Yucca Mountain in Nevada to bury high-
Anton [14]
The three concerns that the residents of this area might be:

1) <span>The cost of not moving forward is extremely high, so they opposed the plan, as they think it would affect US economy

2) </span><span>Nuclear waste disposal capability is an environmental imperative, so their environment would be polluted by very radioactive materials.

3) </span>Demand for new nuclear plants also demands disposal capability which supports national security but again, their site will be no longer for them. But unfortunately, <span>Extensive studies consistently show Yucca Mountain to be a sound site for nuclear waste disposal so the plan can't be abolished.

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4 0
4 years ago
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Which type of molecule is used by organisms to store and transmit genetic information?
Andre45 [30]
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4 years ago
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A red sports drink contains Red 40 dye. A 5.4 mL aliquot of this sports drink was diluted to 25.0 mL with deionized water in a v
miskamm [114]

Answer:

84.0 ppm is the concentration of Red 40 dy in the original sports drink.

Explanation:

Concentration of red dye in sport drink before dilution C_1=?

Volume of the sport drink before dilution V_1=5.4 mL

Concentration of red dye in sport drink after dilution C_2=18.1 ppm

Volume of the sport drink after dilution V_2=25.0 mL

C_1V_1=C_2V_2( dilution )

C_1=\frac{C_2V_2}{V_1}=\frac{18.1 ppm\times 25.0 mL}{5.4 mL}

C_1=83.80 ppm\approx 84.0ppm

84.0 ppm is the concentration of Red 40 dy in the original sports drink.

6 0
3 years ago
Distinguish between temperature and thermal energy
MissTica

Answer:

<u>The difference between temperature and thermal energy is that temperature measures the average kinetic speed of molecules and thermal energy is the total kinetic energy of all particles in a given substance.</u> Convection occurs when energy is transferred while the mass of a substance moves. The temperature is measured in Celsius, Kelvin, and Fahrenheit. The temperature does not depend on the quantity of the substance – it is related to the average kinetic energy of the particles. The thermal energy depends on the quantity of the substance – it is related to the total kinetic energy of the particles.

7 0
3 years ago
Solid sodium chloride decomposes into chlorine gas and solid sodium . Write a balanced chemical equation for this reaction.
Oksana_A [137]

Answer:

2NaCl > Cl2 + 2Na

Explanation:

2 moles of sodium chloride is irreversible to chlorine gas plus 2 moles of solid sodium

5 0
4 years ago
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