What does the #5 represent in this equation? *
1 point
T-
Parts of a Chemica Equation
T--1--1
5
O2-
U1610
GHCl(aq) + 2Al(s) = 2AlCl3(aq) + 3H2/)
g
ו--ל--ה
3 -
42

It takes 945.kj/mol to break a nitrogen-nitrogen triple bond. calculate the maximum wavelength of light for which a nitrogen-nitrogen triple bond could be broken by absorbing a single photon.

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)

If 16.00g of hydrogen gas reacts with 126.73g of oxygen, how many grams of water are yielded? (both reactants are completely consumed in the reaction.)