Calculate the value of the thermodynamic decomposition temperature(Td)for the reaction NH4Cl(s)===NH3(g)+HCl(g) at the standard state.
A solution of saturated CaF2is found to contain 4.1×10-4M fluoride ion. Calculate theof CaF2. Neglect hydrolysis.
A.count
B.measure
C.calculate
D.judge
A.number
B.calculate
C.figure
D.estimate
A.accumulate
B.calculate
C.perpetuate
D.regulate
The solubility of CuS in pure water is 3.3×10-4g/L at 25℃. Using this number,calculate the apparent value offor CuS. By precise measurement, the value offor CuS at 25℃ is found to be 8.×10-36. Explain why CuS is more soluble than predicted by the.
A.Count and calculate money.
B.Read and write.
C.Alert moving objects.
D.Hunt and farm.