What has a higher melting point than water. salt or flour or sugar or all the above

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

Consider this initial-rate data at a certain temperature for the reaction described by

What is the mass of 2.00 l of an intravenous glucose solution with a density of 1.15 g/ml?