A chemistry student is investigating how particle size affects the rate of dissolving . In his experiment , he adds a sugar cube , sugar crystals or crushed sugar to each of the three beakers of water , stirs the mixture for 10 seconds and records how long it takes the sugar to dissolve in each beaker . A. Identify the independent and dependent variables in this experiment. How can they be distinguished? B. Identify the feature of the experiment that should be kept constant . C. Explain why it is important to include this feature constant

A chemistry student is investigating how particle size affects the rat

1.	A chemistry student is investigating how particle size affects the rate of dissolving . In his experiment , he adds a sugar cube , sugar crystals or crushed sugar to each of the three beakers of water , stirs the mixture for 10 seconds and records how long it takes the sugar to dissolve in each beaker . A. Identify the independent and dependent variables in this experiment. How can they be distinguished? B. Identify the feature of the experiment that should be kept constant . C. Explain why it is important to include this feature constant
Answer» Solutions are nothing more than mixtures of different compounds or elements. You encounter solutions every day without even realizing it. Even the air you breathe-which contains water-is a solution of a liquid and a gas. If you drank a soda today, you actually drank of solution of a gas DISSOLVED in FLAVORED water. If you're wearing a bracelet made of sterling silver, you're wearing a solution of TWO metals. In this experiment, you'll be working with a liquid solution, which is ONE of three TYPES of solutions. The other types are gaseous solutions and solid solutions.Explanation: