Write a chemical equation to show the dissolving of solid potassium nitrate in water.

Which of these properties, used alone, would be least useful in identifying most minerals? a. color b. luster c. streak d. density

Scientific evidence tells us that the cause of earths four season is the tilt of earth as it revolves around the sun. the student is instructed to illustrate this information in a science notebook. how will the student illiterate winter in the northern hemisphere?

If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?