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1 day ago
6

Mass of 0.432 moles of C8H9O4?

Chemistry
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Using the equation pH = -log [H+], determine the pH of a solution with a hydrogen ion concentration, or [H+], of 1x10-5. HINT: l
castortr0y [3046]

Response:

The result is a pH of 7. I’m uncertain about the mechanics of Hydrochloric acid reactions

8 0
1 month ago
Which procedure cannot be performed on a hot plate, requiring a Bunsen burner instead
Tems11 [2777]

Answer: The process of heating a crucible to eliminate moisture from a hydrate.

Explanation:

The available choices are:

a. Heating a solvent to aid in the dissolution of a solute.

b. Heating a solid in isolation to remove moisture.

c. Bringing water to a boil for use in a water bath.

d. Heating a crucible to eliminate moisture from a hydrate.

Possible actions that can be done on a hot plate include:

a. Heating a solvent to assist a solute in dissolving.

b. Heating a solid in isolation to dry it.

c. Heating water to boiling for a water bath.

However, it's important to note that using a hot plate for heating a crucible to remove water from a hydrate is not advisable. Silica or ceramic materials are not meant to be heated on a hot plate.

Consequently, the correct procedure is heating a crucible to remove water from a hydrate.

4 0
3 months ago
A person loses 2.70 lbs in two weeks how many grams did he lose?
VMariaS [2998]
He lost 1224.7 grams.
6 0
3 months ago
Read 2 more answers
The two-slit diffraction experiment shows how light can be treated as particles and how light waves carry the statistical inform
alisha [2963]

The double-slit experiment serves as a renowned method to exemplify concepts in quantum mechanics. Specifically, it highlights the idea of wave-particle duality. Employing a light wave shows diffraction and interference, which are typical characteristics of wave behavior. Unexpectedly, using an electron beam produces an interference pattern as well, indicating that electrons can exhibit wave-like properties.


Explanation:

The optical phenomenon would nearly resemble, yet be entirely distinct from, that involved with the exploitation of light. Interference and diffraction are the characteristics distinguishing waves from particles: waves can interfere and disperse, whereas particles cannot.

Light curves around obstacles akin to waves, and this bending results in the single-slit diffraction pattern.

5 0
2 months ago
Read 2 more answers
Calculate the pH of a polyprotic acid given and sketch the titration curves for the following reaction:
Tems11 [2777]
(1). pH = 1.70 (2). pH = 2.3 (3). pH = 3.3 (4). pH = 4.3 (5). pH = 8.41 (6). pH = 10.22. The explanation indicates that the acid is represented by H₂A, and the titration curve shows clear transitions at both equivalence points due to the following reactions: H₂A + OH⁻ → HA⁻ + H₂O and HA⁻ + OH⁻ → A²⁻ + H₂O. Calculations conclude with the corresponding pH values at specified points.
8 0
1 month ago
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