How many moles of NaNO3 are used if 8.36 g of O2 is produced? a. 0.11 mol NaNO3
b. 1.05 mol NaNO3
c. 0.52 mol NaNO3

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

When you mate two plants together the terms is called? answer it fast as possible plz! i have a test tomorrow!

Miner's coal distributors does not mine coal itself, nor does it even store or handle the coal. instead, miner's solicits orders for low sulfur coal from other firms, then purchases the required amount from suppliers and directs them to ship the coal to its customers. what is miner's