For the reaction:
[Cr(H2O)6]3++[SCN⊖]→[Cr9H2O)5NCS]2+H2O
The rate law is : r=k[Cr(H2O)3+6[SCN⊖].
The value of k is 2.0×10−6Lmol−1s−1 at 140 C and 2.2×10−5Lmol−1s−1 , at 300 C
What is the value of Ea?
The value of k is 2.0×10−6Lmol−1s−1 at 140C and 2.2×10−5Lmol−1s−1at30∘C. What is the value of Ea?