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Novosadov [1.4K]
3 years ago
15

How will adding lemon juice affect a soaps ph

Biology
2 answers:
alekssr [168]3 years ago
6 0
Soaps are alkali , which is why they are bitter and slippery . Alkalis have a pH (potential hydrogen ) of 7-12 . Lemon juice is acidic which would neutralize the alkalinity of the soap . Acids have pH of 1-6 . It would cause the pH of the soap to drop .
Elena-2011 [213]3 years ago
6 0

It would cause the ph of both of them mixed to neutralize. The ph of soap is a base and somewhere between 8-14 while the lemon has a ph between 0-6. This will cause their ph to become somewhere around 7 or neutral.

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A bus changes its velocity from 5 m/s to 15 m/s in 5 seconds. What is its acceleration?
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Answer:

\boxed {\boxed {\sf A. \ 2 \ m/s^2}}

Explanation:

Acceleration is the rate of velocity's change with time.

We can calculate it by dividing the change in velocity over time.

a=\frac{v_f-v_i}{t}

Let's define the variables. The final velocity is 15 meters per second. The initial velocity is 5 meters per second. The time is 5 seconds.

v_f= 15 \ m/s \\v_i= 5 \ m/s \\t= 5 \ s

Substitute the values into the formula.

a=\frac{15 \ m/s- 5 \ m/s}{5 \ s }

Solve the numerator first.

  • 15 m/s - 5 m/s= 10 m/s

a=\frac{10 \ m/s}{5 \ s}

Divide.

a= 2 \ m/s/s = 2 \ m/s^2

The acceleration of the bus is <u>2 meters per second squared.</u>

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