2 KClO3(s) → 2 KCl(s) + 3 O2(g) 100 grams of potassium chlorate decompose as shown above. How much oxygen gas are produced if the reaction takes place at 900 mm Hg and 500 K?

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.

What three things does a balanced equation show you?