- What is the role of an indicator in an acid-base titration? Identify how an appropriate indicator is chosen and use terms “end point” and “equivalence point” of how an indicator works.
2.Using the half-reaction method, balance the following redox reaction occurring in acidic solution: NO3- + I2 → IO3- + NO2
3.Uranium-234 is unstable and undergoes two subsequent alpha emissions. What is the resulting nuclide from this transformation?
4.Match the appropriate name for each chemical reaction description provided.
A + B → AB
ABC → AB + C
XY + Z → Y + XZ
CH4 + 2O2 → 2H2O + CO2
HNO3 (aq)+ LiOH (aq)→ H2O (l)+ LiNO3(aq)
2KI (aq) + Pb(NO3)2 (aq) → 2KNO3 (aq) + PbI2 (s)
5.Match the appropriate name for particle shown below.