Answer:
See explanation
Explanation:
Substitution implies that one thing is repalced by the other.
Substitution of one ion by another largely depends on the sizes of the ions in question.
The ionic radius of Mn3+ is about 0.65 Angstroms while that of In3+ is about 0.94 Angstroms. On the other hand, the ionic radius of Y3+ is about 1.032 Angstroms.
It is clear that the sizes of Mn3+ and In3+ are closer to each other hence Mn3+ can substitute for In3+ easily than Y3+ in a lattice site.
The larger size of Y3+ explains why it is not easily replaced by Mn3+.
Answer:
This apparently cant be balanced. i checked online
but im not 100%
Explanation:
CH4 + 2O2 = CO2 + 2H2O
According to molar weights :
16 gm CH4 + 64 gm O2 = 44 gm CO2 + 36 gm H2O
Since 16 gm CH4 produce 36 gm H2O
Hence 2.5 gmCH4 produce 36×2.5/16 gm H2O
= 5.265 gm of H2O
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