An empty container weighs 17.322 g. when filled with water at 25°c, it weighs 28.699 g. when filled with an unknown liquid, it weighs 38.028 g including the container. what is the density of the unknown liquid? (density of water = 0.997048 g/ml)

The electric potential v is constant everywhere within a certain region of space. which statement below is true? the choices are: the electric field is also constant (but not zero) within the region. a charged particle placed within the region will experience an electric force. the electric field is zero everywhere within the region. the electric field varies from place to place within the region.