For the reaction: 2H2O → 2H2 + O2, what is the total number of moles of O2 produced from the complete decomposition of 8 moles H2O?

A) 2 moles

B) 3 moles

C) 4 moles

D) 8 moles

Which statement best explains the octet rule?

If only one-fourth the amount of brown sugar in the recipe were used, how much brown sugar would be used?

What is the approximate percentage of nitrogen in the Earth's current atmosphere?

Which electron configuration is correct for a boron ion? (1) 2 (2) 2-3 (3) 2-8 (4) 2-2-1

How are isotopes of the same elements alike? How are they different?

Which of the following statments is true for gas particles? they move freely and combine with each other. they dont move at all they move slowly and in a structured pattern they are constantly in motion and changing position.

The A-36 steel pipe has a 6061-T6 aluminum core. It is subjected to a tensile force of 200 kN. Determine the average normal stress in the aluminum and the steel due to this loading.

How many atoms are in 3.3 moles of copper atoms? A. 1.9 x 10 atoms B. 2.0 x 10^23 atoms C. 2.0 x 10^24 atoms D. 2.0 x 10^-23 atoms

What is the Bronsted-Lowry definition of a base?

Which pair must represent atoms of the same element?