Three drops of a 1.0 mol dm-3 solution of HCl was added to 20 cm3 of a solution of pH6.4. The pH of the resulting solution will be

The radioactive emission with the least ionization power is

An organic compound contains 60% carbon, 13.3% hydrogen and 26.7% oxygen. Calculate the empirical formula rn(C=12,H =1, O=16)

How many unpaired electron are in the p-orbitals of a fluorine atom?

\(\mathrm{2SO}_{2(g)} + \mathrm{O}_{2(g)} \rightarrow \mathrm{2SO}_{3(g)}\) \(\Delta H = -395.7\ \mathrm{kJ\,mol^{-1}}\) In the reaction above, the concentra...

\( \mathrm{Zn(s) + CuSO_4(aq) \rightarrow ZnSO_4(aq) + Cu(s)} \) In the reaction above, the oxidizing agent is

2- methylbutan- 2ol is an example of a

The reaction between ammonia and ethyl ethanoate produces

In the graph above, the activation energy of the catalyzed reaction is