Un pistón realiza 101j de trabajo sobre un gas encerrado dentro de un cilindro, causando que la energía en este sistema aumente 49j ¿cuanta calor se pierde durante el proceso?

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.

Smog is the term used to describe the combination of fog and smoke

Sodium sulfate dissolves as follows: na2so4(s) → 2na+(aq) + so42- (aq). how many moles of na2so4 are required to make 1.0 l of solution in which the na concentration is 0.10 m?