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ohaa [14]
3 years ago
13

The MSDS for glacial acetic acid says that it is a flammable liquid that can severely burn any human tissue it comes in contact

with. It reacts with bases, various metals, and strong oxidizing agents. Its vapors can form explosive mixtures with air.
Based on this information, which statement is applicable to glacial acetic acid?
It should be heated to remove moisture and stored on a lab shelf.
It should be handled on a clean, dry area of the lab bench.
It should be stored in an iron container, away from open flames.
It should be handled in a fume hood, away from open flames.
Physics
2 answers:
Firdavs [7]3 years ago
5 0

Answer:

It should be handled in a fume hood, away from open flames.

Explanation:

The vapors can form explosive mixtures with air, so it should only be handled in a fume hood.  It should not be stored in an iron container because it reacts with metal.

puteri [66]3 years ago
5 0

Answer:

i guess its right?

Explanation:

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Which statement best describes the difference between acceleration and deceleration?
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7 0
3 years ago
stephen buys a new moped . he travels 4km south and then 6km east. how far does he need to go to get back where he started??
stiks02 [169]

Answer:

My answer is 7.2 km

Explanation:

When Stephen goes to the south and then to the east, he is drawing a right triangle, where the 4 km and 6 km sides are the cathetus of a right triangle.

Then we use the Pithagorean theorem to solve this problem. We need to find the hypotenuse.

c² = a² + b²

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7 0
3 years ago
A 350-N child is in a swing that is attached to a pair of ropes 2.10 m long. Find the gravitational potential energy of the chil
o-na [289]

Answer:

a)  U = 735 J , b) U = 125.7 J , c)   U = 0 J

Explanation:

The gravitational power energy is

      U = mg y - mg y₀

The last value is a constant, for simplicity we can make it zero, if the lowest point is at the origin of the coordinate system, which in this case we will place in the lowest part

a) Rope is horizontal

The height in this case is the same length of the rope

     y = 2.10 m

    w = mg = 350 N

    U = 350 2.10

    U = 735 J

b) when the angle is 34º

     y = L - L cos 34

    y = L (1- cos34)

    y = 2.10 (1- cos 34)

    y = 0.359 m

    U = 350 0.359

    U = 125.7 J

c) in this case this point coincides with the reference system

     y = 0

     U = 0 J

4 0
3 years ago
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