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polet [3.4K]
3 years ago
8

GIVING BRAINLIEST FIVE STARS AND HEART!

Chemistry
2 answers:
marissa [1.9K]3 years ago
7 0

Answer:

The pH of an acid is lower than a neutral solution.

Explanation:

A neutral solution is 7.0 and anything below a 7.0 is considered acidic.

Amanda [17]3 years ago
3 0

Answer:

Brainliest

Explanation:

pH is a major parameter that is measured in determining the water quality. It indicates whether a water source is of good quality to be used for drinking purposes and other house hold needs. In addition, maintaining the appropriate pH is critical for some chemical reactions as well. The pH of a system is dependent on the concentration of hydrogen ions present in that system. The concentration of hydrogen ions in a solution is the amount of hydrogen ions (in the units of mol) present in a liter of solution. pH is the logarithmic value of the inverse of the hydrogen ion concentration. This is the relationship between hydrogen ions and pH.

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A Silty Clay (CL) sample was extruded from a 6-inch long tube with a diameter of 2.83 inches and weighed 1.71 lbs. (a) Calculate
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Answer:

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c) the dry density of the CL sample is 0.0274 lb/in³

Explanation:

Given that;

diameter d = 2.83 in

length L = 6 in

weight m = 1.71 lbs

A piece of clay sample had wet-weight of 140.9 grams  and dry-weight of 85.2 grams

a) wet density of the CL sample

wet density can be expressed as  p = M /v

V is volume of sample which is; π/4×d²×L

so p = M / π/4×d²×L

we substitute

p = 1.71 / (π/4 × (2.83)²× 6

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b)

water content of sample is taken as;

w =  (wet_weight - dry_weight) / dry_weight

we substitute

w = (140.9 - 85.2) / 85.2

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w = 0.6537 = 65.37%

therefore the water content in the sample is 65.37%

c)

dry density of the CL sample

to determine the dry density, we say;

Sd = p / ( 1 + w )

we substitute

Sd = 0.0453 / ( 1 + 0.6537)

Sd = 0.0453 /  1.6537

Sd = 0.0274 lb/in³

therefore the dry density of the CL sample is 0.0274 lb/in³

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