Grace injured her ankle while running a relay race at the family reunion. Her aunt breaks the inner, activator portion of an instant cold pack releasing the solid urea into the surrounding water. How could Grace modify this device to make it colder faster? A) Expand the volume of the urea in the activator cell. B) Maximize the overall size and volume of the cold pack. Eliminate C) Increase the concentration both main and activator phases. D) Include a slow release activator solution to increase longevity.

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

Word equation for k+ h2o yield koh + h2

Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge on the phosphorus atom.