Joaquin mows the lawn at his grandmothers home during the summer months Joaquin measured the distance across his grandmothers lawn as 11.5 meters If Joaquin mows one length across the lawn from east to west in 7.10 seconds then what is the velocity of the lawnmower

Sublimation- which change of state is shown in model

The chemical reactions lab we did is typically called a "copper plating lab,  because the acid solution cleaned the pennies and made the copper look shinier;   the acid solution cleaned the paperclips and made them look like pennies;   &   the copper from the pennies was removed, and then added to the paperclips. 

Ineed more information about  the question 

Answerit is comparative because this experiment is comparing the results of the volume at minimal pressure and then increases it; ; ;