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Anvisha [2.4K]
3 years ago
12

why is cobalt placed before nickel on the periodic table of elements even though it has a higher average atomic mass than nickel

Chemistry
2 answers:
liraira [26]3 years ago
8 0
Just because it has a smaller atomic number. Elements are not lined up according to the higher average atomic mass, but rather according to the higher atomic number.
Rus_ich [418]3 years ago
7 0
Because it has a smaller atomic number. Elements are not lined up according to the higher average atomic mass, but rather according to the higher atomic number.
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Read 2 more answers
Need help <br>1/6 + 1/8 =
pogonyaev

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≅ 0.2916667

6 0
3 years ago
A student Increases the temperature of a 417 cubic centimeter balloon from 278 K to 231 K. Assuming constant pressure what shoul
WITCHER [35]
Initial Conditions:
Volume= v1= 417 cm³
Temperature= T1 = 278 K
 
Final Conditions:
Temperature= T2 = 231K
Volume = v2 =?

Use the general gas equation;

                                        P1*v1/T1 =  P2*v2/T2
As, the temperature is constant;
 So,
                                               v1/T1 = v2/T2
                                              417/278 = v2/231
                                                  v2= 346.5 cm³                                           
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3 years ago
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