During and exothermic reaction, energy is the surroundings.
a. mixed with
b. released to
c. absorbed from

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

What is the correct lewis structure for chloroform chcl3

One nanometer is equal to how many meters?