An empty pan weighs 0.5 kg. A student fills the pan with water and weighs it. The pan of water now weighs 1.5 kg. The student places the pan of water on a hot stove and boils the water for ten minutes. After the pan of water cools, she weighs it again. ​ ​What is the weight of the water that remains in the pan? A It is exactly 1 kg. B It is less than 1 kg. C It is exactly 1.5 kg. D It is greater than 1.5 kg.

Why is permeable soil best for plants that need a lot of drainage?

Achemistry student needs to standardize a fresh solution of sodium hydroxide. he carefully weighs out of oxalic acid , a diprotic acid that can be purchased inexpensively in high purity, and dissolves it in of distilled water. the student then titrates the oxalic acid solution with his sodium hydroxide solution. when the titration reaches the equivalence point, the student finds he has used of sodium hydroxide solution.calculate the molarity of the student's sodium hydroxide solution. be sure your answer has the correct number of significant digits.

What term describes technology that operates on an atomic level