Question

First order reaction takes 20 minutes for 25% decomposition calculate the time when 75% of reaction will be completed given that log 2 is equal to. 30 10 unlock 3 is equal to. 4771 and log 4 is equal to 0.6 0 to 1 2th chemistry

Answer 1

Explanation:

Roasting Definition: Roasting is a process in metallurgy in which a sulfide ore is heated in air. The process may convert a metal sulfide to a metal oxide or to a free metal. Example: Roasting ZnS may yield ZnO; roasting HgS may yield free Hg metal........ thanks........ok......I hope......