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m_a_m_a [10]
3 years ago
6

Litmus paper is made from water-soluble dyes which are extracted from lichens. This paper is used as an acid-base indicator. Whi

ch of these common household substances would turn blue litmus paper red? A) bleach B) lye C) soap D) vinegar
Physics
2 answers:
lisov135 [29]3 years ago
3 0
D. vinegar 
hope it helps 
kompoz [17]3 years ago
3 0

Answer: B

Explanation:

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When you step into a very full bath or hot tub, sometimes the water overflows. But when you step into a lake and swim, you don't
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Answer:

This all simply due to the size of the two water bodies question and the your body size in a bath tub the water is small enough to allow the upthrust displace water out if the tub whereas in a lake the water is bigger and your body size is smaller to allow any noticeable upthrust that would cause an overflow

8 0
3 years ago
The hypotenuse of a right triangle is 29.0 centimeters. The length of one of its legs is 20.0 centimeters. What is the length of
Kisachek [45]

square root (29 squared - 20 squared)

Pythagoras' theorem

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What do extremely massive stars end their life as?
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The most massivest stars end their lives as black holes. <em>(D)</em>

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3 years ago
A protein molecule in an electrophoresis gel has a negative charge. The exact charge depends on the pH of the solution, but 30 e
Reika [66]

Answer:

7.401 * 10^(-15) N

Explanation:

30 electrons will have a charge:

30 * -1.6022 * 10^(-19) C

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The relationship between electric field and electric force is:

E = F/q

This means that force, F, is

|F| = |E|*|q|

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|F| = |-7401.24 * 10^(-18)|

|F| = 7.401 * 10^(-15) N

7 0
3 years ago
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