Preheat Oven To 325 Degrees F (165 Degrees C). In A Small Bowl, Combine The Brown Sugar And Mustard. Mix Together Well. Butterfly The Pork Chops And Arrange Them In A 9X13 Inch Baking Dish. Spread The Mustard Mixture Over The Chops, Then Sprinkle With The Lemon Juice. Place About 1/8 Of An Inch Of Water In The Bottom Of The Baking Dish. Bake At 325 Degrees F (165 Degrees C) For 20 Minutes, Or To Desired Doneness.