Trivial pedantry - but the phrase is more commonly _requiescat in pace_
pacem would be the accusative[0] vs the ablative[1] - the difference being him being peaceful in rest, vs his rest being peaceful.
Nonetheless, I echo your sentiment.
pacem would be the accusative[0] vs the ablative[1] - the difference being him being peaceful in rest, vs his rest being peaceful.
Nonetheless, I echo your sentiment.
"Requiet in pacem" is what I usually see on teh interwebz, which proves absolutely nothing.
FWIW I quit Latin in 10th grade.