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mezya [45]
2 years ago
11

Each warning label must contain this element and its purpose is to provide a visual alert to users to the chemical hazards to wh

ich they may be exposed. this element must in the shape of a square set at a point and include a black hazard symbol on a white background with a red frame sufficiently wide enough to be clearly visible. what is being referenced
Chemistry
2 answers:
jekas [21]2 years ago
8 0
The correct answer of the given question above would be a PICTOGRAM. OSHA’s required pictograms must be in the shape of a square set at a point and include a black hazard symbol on a white background with a red frame sufficiently wide enough to be clearly visible. 
uysha [10]2 years ago
7 0
The pictogram of a hazard symbol provides the visual cue.
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Min : sec helium and nickel are classified as _____, which are pure substances that make up all kinds of matter
Sidana [21]

Helium which has a chemical formula of He is considered as a noble gas while Nickel which has a chemical formula of Ni is considered as metallic. Although both have different phases but they are both classified under the general category of “Elements”.

 

answer:

<span>elements</span>

4 0
3 years ago
What is the function of tunnels and passageways in subsurface mining?
dexar [7]
The answer is D because they would have to make quarries just below the surface to mine
Mineral ores much quicker (Quarries- a large hole/pit under ground used to get stone and minerals)
5 0
2 years ago
Friction is the force that occurs when: A. one object attracts or repels another. B. one object is rubbing against another. C. o
AlladinOne [14]

Answer:

b i think. hope im not wrong

4 0
2 years ago
Read 2 more answers
A buret is filled with 0.1517 M naoh A 25.0 mL portion of an unknown acid and two drops of indicator are added to an Erlenmeyer
antiseptic1488 [7]

Answer:

molarity of acid =0.0132 M

Explanation:

We are considering that the unknown acid is monoprotic. Let the acid is HA.

The reaction between NaOH and acid will be:

NaOH+HA--->NaA+H_{2}O

Thus one mole of acid will react with one mole of base.

The moles of base reacted = molarity of NaOH X volume of NaOH

The volume of NaOH used = Final burette reading - Initial reading

Volume of NaOH used = 22.50-0.55= 21.95 mL

Moles of NaOH = 0.1517X21.95=3.33 mmole

The moles of acid reacted = 3.33 mmole

The molarity of acid will be = \frac{mmole}{volumne(mL)}=\frac{0.33}{25}=0.0132M

4 0
3 years ago
Given the setup of the equilibrium constant expression, a reaction that has a high equilibrium constant will "favor" the product
ss7ja [257]

Answer:

for points

Explanation:

loll

5 0
3 years ago
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