Calculate the entropy change in J/mol-K for the reaction: C3H8(g) + 5O2(g) ---> 3CO2(g) + 4H2O(g)

In a popular classroom demonstration, solid sodium is added to liquid water and reacts to produce hydrogen gas and aqueous sodium hydroxide. part a write a balanced chemical equation for this reaction. express your answer as a chemical equation. identify all of the phases in your answer.

What effect does nuclear radiation have on atoms?

What woukd most likely be the transmittance at a 0.70 m solution of solute a? a) 7.6%b) 1.1%c)4.0%d)4.6%