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Gnoma [55]
3 years ago
9

if you are traveling at 65 mph, how many feet will you have traveled in 22 minutes? Answer in dimensional analysis please.

Chemistry
1 answer:
Mashutka [201]3 years ago
4 0

Answer:

125840ft

Explanation:

65miles=343200ft

343200/60

=5720ft/min

22×5720

=125840

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The solubility of barium chromate, bacro4, is 2.81 × 10−3 g/l. calculate the solubility product of this compound.
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Solubility product constants are values to describe the saturation of ionic compounds with low solubility. A saturated solution is when there is a dynamic equilibrium between the solute dissolved, the dissociated ions, the undissolved and the compound. It is calculated from the product of the ion concentration in the solution. For barium chromate, the dissociation would  be as follows:

BaCrO4 = Ba^2+ + (CrO4)^2-

So, the expression for the solubility product would be:

Ksp = [Ba^2+] [(CrO4)^2-]

we let x = [BaCrO4] = [Ba2+] = [(CrO4)2-] = 2.81x10^-3 g/L ( 1 mol / 253.35 g ) = 1.11x10^-5

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A function of a cell membranes in humans is the
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<span>A cell membrane protects the structures within the cell. They are semipermeable which means that only certain objects are able to pass through them. They also give shape to the cell and support its structure. </span>
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3 years ago
The process of breaking food is to release energy is called _____​
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6 0
3 years ago
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if .40 L if water is added to the volume of cup 3, what would be the new molarity of a 2 M solution of kool-aid
stiks02 [169]

Answer:

0.7692 M ≅ 0.77 M.

Explanation:

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<em>(MV) before dilution = (MV) after dilution.</em>

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M after dilution = ??? M, V after dilution = 0.25 L + 0.40 L = 0.65 L.

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