Which is a positively charged particle in an atom’s nucleus?

Problem page gaseous ethane reacts with gaseous oxygen gas to produce gaseous carbon dioxide and gaseous water . if of water is produced from the reaction of of ethane and of oxygen gas, calculate the percent yield of water. be sure your answer has the correct number of significant digits in it.

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?

If 3 moles of a compound use 24 j of energy in a reaction, what is the a hreaction in j/mol?