(04.01 MC) Which of the following equations is balanced? (5 points)
a
2H2 + O2 + 4H20
b
4Na + 02 2Na20
С
Fe2O3 + H2 → 2Fe + 3H20
d
CH4 + O2 → CO2 + H20
Need help!

T(s) in2os] (m) 0 185 2.39 546 1.90 725 1.70 the decomposition of n205 can be described by the equation 2.68 given these data for the reaction at 45°c in carbon tetrachloride solution, calculate the average rate of reaction for each successive time interval. ntr s to 185 s 185 s to 546 s 546 s to 725 s number number number reaction rate: m/s m/s m/s

Astable atom that has a large nucleus most likely contains 1. more neutrons than protons. 2.more protons than neutrons. 3.equal numbers of protons and neutrons. 4.changing numbers of protons and neutrons.

Why must sample spots be above the solvent in paper chromatography