Its best to use the formula that takes in consideration your resting heart rate as well as age vs the standard 220 - Age formula but I'd say what you are doing is pretty good for a workout.
Colloid is a heterogeneous mixture in which particle size is intermediate of true solution and suspension.Smoke from a fire is example of colloidal system in which tiny particles of solid float in air.olloid is a heterogeneous mixture in which particle size is intermediate of true solution and suspension.
Smoke is a collection of tiny solid, liquid and gas particles. Although smoke can contain hundreds of different chemicals and fumes, visible smoke is mostly carbon (soot), tar, oils and ash. Smoke occurs when there is incomplete combustion (not enough oxygen to burn the fuel completely).