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noname [10]
2 years ago
13

Zinc metal reacts with copper sulfate through the following

Chemistry
1 answer:
morpeh [17]2 years ago
5 0

Answer:

26.9

Explanation:

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Which of the following methods can be used to completely separate a solution containing alcohol and water?
Alenkinab [10]
A only gets out some of it but not all
C that isn't for alcaholl
D I don't think that even exists
B is the only correct answer
6 0
3 years ago
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DIMENSIONAL ANALYSIS PLSSSS<br>convert 19 inches to feet(show work)
Anna [14]

19 in = 1.6 ft

You know that

12 in = 1 ft

If you divide both sides by 12 in, you get the <em>conversion factor</em>: 1 = 1 ft/12 in.

If you divide both sides by 1 ft, you get the <em>conversion factor</em>: 12 in/1 ft = 1.

Both are conversion factors because they <em>both equal one</em> and <em>multiplying a measurement by one does not change its value</em>.

You choose the conversion that gives you the correct dimensions for your answer. It must have the correct dimensions <em>on top</em> (in the numerator),

Thus, to convert 19 in to ft, you use the conversion factor with “ft” on the top.

∴ Length = 19 in × (1 ft/12 in) = 1.6 ft

6 0
2 years ago
Why do we use cobalt glass for sodium and potassium
Black_prince [1.1K]

Cobalt is a very intense glass colorant and very little is required to show a noticeable amount of color. Cobalt blue glass is also used as an optical filter in flame tests to filter out the yellow flame caused by contamination with sodium, and expand the ability to see violet and blue hues, (colors).

7 0
3 years ago
At 25 °C, an aqueous solution has an equilibrium concentration of 0.00253 M for a generic cation, A2+(aq), and 0.00506 M for a g
aleksandrvk [35]

Answer:

The equilibrium constant Ksp of the generic salt AB2 =  6.4777 *10^-8 M

Explanation:

Step 1: The balanced equation

AB2 ⇒ A2+ + 2B-

Step 2: Given data

Concentration of A2+ = 0.00253 M

Concentration of B- = 0.00506 M

Step 3: Calculate the equilibrium constant

Equilibrium constant Ksp of [AB2] = [A2+][B-]²

Ksp = 0.00253 * 0.00506² = 6.4777 *10^-8 M

The equilibrium constant Ksp of the generic salt AB2 =  6.4777 *10^-8 M

5 0
3 years ago
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Which of the four fundamental forces is an attraction between opposite charges?
belka [17]
Electrostatic force should be the only force revolved around charges so C. Would be the correct option
7 0
2 years ago
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