Bob roller skates with a constant speed of 8 km/h. How long will he take to 2 poin travel a distance of 10 kilometers?

Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture

Chemical kinetics what was the rate of reaction in trial 3? choose the closest answer.

Why is carbon ideal for making different compounds?