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3 years ago

Please someone solve this and tell me how you solve it

Chemistry

1 answer:

lianna [129]3 years ago

8 0

Answer:

Supersaturated.

Explanation:

Hello there!

In this case, according to this solubility chart, we infer that for NH3, the solubility starts at 90 grams of NH3 that are soluble in 100 g of water at 0 °C and ends in about 8 g in 100 g of water at 100 °C for a saturated solution.

However, since we are asked for the solubility of NH3 at 20 °C, we can see that, according to the table and the curve for NH3, about 52 g of NH3 are soluble in 100 g of water; thus, for the given 60 g of NH3, we will say that 8 grams will remain undissolved, and therefore, this solution will be supersaturated.

Regards!

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Agas has a pressure of 6.58 kPa at 540 K. What will the pressure be at 210 K if the volume

WARRIOR [948]

Answer:

$P_2=2.6kPa$

Explanation:

Hello there!

In this case, according to the Gay-Lussac's gas law, which illustrates the pressure-temperature behavior as a directly proportional relationship:

$\frac{P_2}{T_2}=\frac{P_1}{T_1}$

We can solve for the final pressure as shown below:

$P_2=\frac{P_1T_2}{T_1}$

Thus, we plug in the initial pressure and temperature and final temperature to obtain:

$P_2=\frac{6.58kPa*210K}{540K}\\\\ P_2=2.6kPa$

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