CHEMISTRY HIGH SCHOOL

What point does the ammonium ions act as a buffer solution? Please this is driving me insane.
What point does the ammonium ions act as a buffer - 1

Answers

Answer 1
Answer:

Answer:

Explanation:The buffer is a mixture of ammonia (NH3) and ammonium (NH4+). ... Since ammonia (NH3) is a weak base, it will have a pH above 7 and since ammonium (NH4+) is a weak acid, it will have a pH below 7. Ammonia (NH3) is a weak base and ammonium (NH4+) is a weak acid. Ammonia (NH3) is the conjugate base of ammonium (NH4+).
Answer 2
Answer:

Final answer:

Ammonium ion, in collaboration with ammonia, acts as a buffer solution. The point at which it becomes a buffer is when the concentrations of NH3 and NH4+ are equal, typically around a pH of 9.25, enabling them to neutralize other strong acids or bases to stabilize the pH.

Explanation:

Ammonium ions (NH4+) act as a buffer solution in conjunction with a weak base (ammonia, NH3). This system can balance the pH of a solution by either absorbing excess hydronium ions (H3O+) when the solution becomes too acidic or by producing more when the solution becomes too basic. The point at which the ammonium ion acts as a buffer solution is the pH at which the concentrations of the weak base (NH3) and its conjugate acid (NH4+) are equal. This is typically around a pH of 9.25, where the ammonium ion and its conjugate base, ammonia, can effectively neutralize additional strong acids or bases, thereby stabilizing the pH of the solution.

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During Mr. Nye's science class, students were expected to identify various substances using physical properties they could easily measure. Mr. Nye gave each of the five groups a green, metal cube. The students had to identify what metal the cube was made of. The length of each side was 3.0 cm and the mass was 270 grams.

Answers

Given the length of each side of a cube and its mass, the density can be obtained which can then help identify the type of material it's made of. This is because density is a unique and intrinsic property of materials. For this problem, the density is determined to be 10g/cm^3. Looking at a table of densities, the metal is most likely actinium, which has an exact density of 10 g/cm^3.

Answer:Density

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mass

volume

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The mass of an object is constant, but its weight may change depending on:

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Answer:

gravity

Explanation:

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Answer:

ATP

Explanation:

Which set of procedures and observations indicates a chemical change?(1) Ethanol is added to an empty beaker and the ethanol eventually disappears.
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(3) Large crystals are crushed with a mortar and pestle and become powder.
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Answers

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A solution has a uniform composition and is able to be separated by physical means

has a heterogeneous composition and is able to be separated by physical means

has a heterogeneous composition and is able to be separated by chemical means

has a uniform composition and is only able to be separated by chemical means

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A solution has a uniform composition and is only able to be separated by chemical means.

Electrons are capable of emitting energy in the form of light at very narrow ranges of wavelengths. These wavelengths can be measured to find the electron's a. mass.
b. density.
c. energy level.
d. specific heat.

Answers

The correct answer is (C) energy level.


The explanation:


When the electrons release photons , and those photons are at different levels


of energy . So we can define the electron's energy level from this photons which


tell us the energy level they are on.
C. Electrons release photons at different energy levels which would tell us which level they are on.
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