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Andrej [43]
3 years ago
15

What information is presented inside each square of the periodic table?

Chemistry
1 answer:
Verdich [7]3 years ago
8 0
The symbol, the atomic mass, the number of protons and electrons
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What inference can be drawn from the graph?
defon

Answer:

i think its C

Explanation:

7 0
1 year ago
Classify N2 as a substance
ludmilkaskok [199]
N2O is compound becoz it has more than one type of atoms. 

<span>Air is homogeneous mixture becoz it has different gases which are does not bonded to each other</span>
6 0
3 years ago
Find the total surface area of the rectangular prism in the figure. A) 174 cm^ 2 B) 522c * m ^ 2; 348c * m ^ 2 D) 432c * m ^ 2
WARRIOR [948]
Surface area: 348 m^2
8 0
2 years ago
Read 2 more answers
Determine whether each of the following statements about sulfur oxide and/or nitrogen oxide pollution is true or false.
astraxan [27]

Answer:

a) False

b) False

c) True

Explanation:

a) Most sulfur oxides formed during combustion come from sulfur in the air: The sulfur burns in presence of oxygen to produce sulfur oxides, the source of sulfur is anthropogenic activities (Human activities).

So the given statement is false.

b) A flue gas scrubber removes SO2 pollution in a coal-fired power plant by using lime to convert the SO2 into alcohols:

False

The lime reacts with sulfur dioxide to give carbon dioxide and calcium sulfite.

CaCO_{3}+SO_{2}--->CaSO_{3}+CO_{2}

c) True

c)

3 0
2 years ago
What is the molarity of a solution with 23 moles of solute, and 100 ml of a solvent?
Marina CMI [18]
Molarity is calculated by using following formula,

                            Molarity  =  Moles / Volume

Data Given:
                  Moles  =  23 moles

                  Volume  =  100 ml ÷ 1000  =  0.1 L

Putting values in eq. 1,

                              Molarity  =  23 mol / 0.1 L

                              Molarity  =  230 mol/dm³

Result:
           When 23 mol of solute is dissolved in a solvent to make a solution of 100 ml, then it will have a Molarity of 230 mol/dm³.
3 0
3 years ago
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