Heterogeneous nuclear RNA (hn-RNA) is converted to m-RNA by :
Oxidation number of N and HN_(3) is
The oxidation state of N in HN_3 is
The percent composition of the high explosive HNS is: {: (C,H,N,O),(37.35%, 1.34%, 18.67%, 42.65%):} The molar mass of HNS is 450.22. What is the molecular formular of HNS?
Find the next letter-pair in the following series. BT, EQ, HN,?
A solution containing 0.1" mole" //L HN_(3) and 0.2 " mol "//L NaN_(3) has a pH =4.8. The K_(a) of HN_(3) is :
