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Advocard [28]
3 years ago
10

A) Earlier you were told that of all of the 14 solutes you will be studying, the only one that is not appreciably ionized in wat

er is aqueous ammonia. What does this statement imply about the equilibrium point of the reaction involving aqueous ammonia/ammonium hydroxide?B) Use your results and conclusions from part (a) to explain why a complicated name like Aqueous ammonia/ammonium hydroxide is used for this solution?
Chemistry
1 answer:
lidiya [134]3 years ago
4 0

Answer:

Throughout the overview section following portion, the description and according to particular circumstance is defined.

Explanation:

As per the question,

⇒ NH_3(aq)+H_2O\leftrightarrow NH_4+(aq)+OH-(aq)

  • A weak basis seems to be NH3. It serves as a base since the aqueous solution or phase is protonated. But NH3 +, just becoming a weak base, is therefore deprotonated into form NH3, and therefore also 90% of ammonia becomes found throughout NH3 state in aqueous solution.  

⇒ NH_3+(aq) \leftrightarrow NH_3(aq)+H+(aq)

However, it is also available in NH3 form throughout the aqueous solution much of the moment.

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This is the chemical formula for Chormium (III) nitrate Cr(NO3)3Calculate the mass percent of nitrogen in chromium(III) nitrate.
butalik [34]

Answer:

The percent composition for nitrogen in chromium(III) nitrate is 6%.

Explanation:

6 0
3 years ago
Which of the following substances has the highest melting point?
Aleksandr [31]

Nonane (b) has the highest melting point.

-----------------------------

A caveat: I'm assuming that we're dealing with the straight-chain isomers of these alkanes (specifically pentane and nonane). The straight-chain isomer of pentane (<em>n</em>-pentane, CH3-[CH2]3-CH3) has a melting point of -129.8 °C; the straight-chain isomer of nonane (<em>n-</em>nonane, CH3-[CH2]7-CH3) has a melting point of -53.5 °C. The pattern holds as you go down (or up): The more carbon atoms, the higher the melting point. So, in decreasing order of melting points here, you'd have the following: nonane > pentane > butane > ethane.

However, one structural isomer of pentane, neopentane, has a melting point of -16.4 °C, which is <em>higher </em>that the melting point of <em>n</em>-nonane despite neopentane having the same molecular formula as its straight-chain isomer. Of course, you're not to blame for coming up with this question; this is just some extra info to keep in mind.

5 0
3 years ago
Express your answer using two significant figures.
Juliette [100K]
Answer

In a diagnostic test for leukemia, a person receives 4.1 ML of a solution containing selenium-75. If the activity of the selenium-75 is 41 ,uCi/ML what dose, in microcuries, does the patient receive?
6 0
2 years ago
An atom's Lewis dot structure has four dots. Which of the following elements could it be, and why?
castortr0y [4]

Answer: The atom that it would be would be beryllium. This is because a Lewis dot structure counts the electrons. If there is four electrons, than there is 4 protons, unless it is a cation or anion. This means the atom has an atomic  number of 4 and that element is beryllium.

Explanation:

5 0
3 years ago
What Celsius temperature is equivalent to 298 K?
Anettt [7]

Answer:

25°C

Explanation:

To convert from Kelvin to Celcius we can use this equation:

Temperature in Kelvin - 273 = Temperature in Celcius

298K - 273 = 25°C

4 0
3 years ago
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