Chapter 4, Problem 8Q

How to convert 4.76pm to um? Showing the work. 4.76pm x___________m x_____________ um =________________um How to convert 25.0mL to cL? Showing the work.  25.0mL x______________ x ___________ = ______________cL

Confused with pchem. I don't know how to find v initial

NH4+ {aq) + NO2(aq) -> N2(g) +2H2O{l}   Data                       Initial [NH4+]                       Initial [NO2-]                       rate 1                              0.0100                                   0.200                                     5.4 x10-7 2                              0.0200                                   0.200                                     10.8x10-7 3                              0.0400                                   0.200                                     21.5x10-7 4                              0.200                                     0.0202                                   10.8x10-7 5                              0.200                                     0.0404                                   21.6x10-7 6                              0.200                                     0.0808                                   43.3x10-7   Find x,y,k