Which of the following is a chemical change? a making an ice cream sundae
b using soap to clean grease out of clothing
C painting a fence
d an apple rotting

Which suspect most likely committed the robbery and how do you know

What is the mass of oxygen gas is consumed in a reaction that produces 4.60mol so2

Asolution is made by dissolving 2.3 moles of sodium chloride (nacl) in 0.155 kilograms of water. if the molal boiling point constant for water (kb) is 0.51 °c/m, what would be the boiling point of this solution? show all the steps taken to solve this problem.