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neonofarm [45]
3 years ago
15

What is the oxidation state of Mn atom

Chemistry
1 answer:
liraira [26]3 years ago
4 0

The oxidation state for an atom on Mn or manganese is +2. It also depends on the element it can be paired with. When it is paired with the compound KMnO4, the oxidation state of Mn is 5+. Oxidation state is useful in redox reactions.

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Take your time please.​
Andreyy89

Answer:

1.) Eyewash station --> D

2.) Absorbent material --> G

3.) Fire extinguisher --> F

4.) Safety Shower --> E

5.) Biohazard container --> J

6.) Broken glass container --> I

7.) Safety goggles --> C

8.) Lab apron --> H

9.) asbestos gloves --> A

10.) Latex gloves --> B

Explanation:

In an equipped laboratory, alot of safety equipments are made available and kept in area that it could be easily accessed in the laboratory. Safety or protective equipments are those materials that helps protect a laboratory personnel while at work on the lab.

These equipments include:

--> Eyewash station: This is an equipment used in the laboratory during emergency to rinse chemical from the eye. Therefore option D is correct.

--> Absorbent material: They are used to contain small spills in the laboratory. Therefore option G is correct.

--> Fire extinguisher: This equipment is used to put out small fires. Therefore F is correct.

--> Safety Shower: This is used to rinse away chemical from clothes and on skin during emergency. Therefore option E is correct.

--> Biohazard container: This container is used to safely dispose bacteria culture, blood and other living tissues. Therefore option J is correct.

--> Broken glass container: This is used to dispose cracked, chipped or broken bottle in the laboratory. Therefore option I is correct.

--> Safety goggles: This helps to protect the eye from chemical and broken glasses. Therefore option C is correct.

--> Lab apron: This is worn by the laboratory personnel to help protect the skin from chemical and biohazards. Therefore option H is correct.

--> Asbestos gloves: these are heat resistant gloves used to protect the hands from heat. Therefore option A is correct.

--> Latex gloves: these are equally worn by the laboratory personnel to protect the hands from chemicals and biohazards

6 0
3 years ago
Read 2 more answers
How would you convert 500cc of 2M H2so4 in g/l and normality?​
Ann [662]

Concentration :

196 g/L and 4 N

<h3> </h3><h3>Further explanation</h3>

The concentration of a substance can be expressed in several quantities such as moles, percent (%) weight / volume,), molarity, molality, parts per million (ppm) or mole fraction. The concentration shows the amount of solute in a unit of the amount of solvent.

500 cc of 2M H₂SO₄

V = 500 cc = 0.5 L

mol H₂SO₄

\tt mol=M\times V=2\times 0.5=1

mass H₂SO₄ (MW = 98 g/mol)

\tt mass=mol\times MW=1\times 98=98~g

concentration in g/L :

\tt \dfrac{98}{0.5}=196~g/L

concentration in normality

Relationship between normality and molarity

N = M x n (n=valence , amount of H⁺ or OH⁻)

so :

\tt N=2\times 2(n=2~for~H_2SO_4\rightarrow 2H^+)\\\\N=4

6 0
3 years ago
What is the difference between gases and nonmetal?
ExtremeBDS [4]

Answer:

1) some of the gas maybe metal but non metal directly refers it self to not begin metal

2) gases are present in only air . non metals are available in solid form too

3 0
3 years ago
Al + 02 --&gt; Al 2 0 3
nata0808 [166]

The coefficient for aluminium is 4.

Explanation:

We have the following chemical reaction:

Al + O₂ → Al₂O₃

In order to balance the chemical equation the number of the atoms entering the reaction should be equal to the number of atoms leaving the reaction.

2 Al + 3/2 O₂ → Al₂O₃

However we need integer numbers so we multiply everything with 2.

4 Al + 3 O₂ → 2 Al₂O₃

The coefficient for aluminium is 4.

Learn more:

about balancing chemical equations

brainly.com/question/8062886

brainly.com/question/238492

#learnwithBrainly

5 0
3 years ago
Give four examples illustrating each of the following terms. a. homogeneous mixture b. heterogeneous mixture c. compound e. phys
zzz [600]

1. homogenous: sugar solution

2. heterogeneous: sand solution

3. compound: water

4. physical change: ice melting

5. element: hydrogen

6. chemical change: burning fire

6 0
3 years ago
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