In the following reaction, 8 grams of ethane are burned and 11 grams of CO2 is collected. What is the percent yield?
2C2H6 + 7O2 --> 4CO2 + 6H2O
Write the balanced equation for the reaction first. Aluminum combines with excess copper (II) sulfate in a single replacement reaction.

Although respiratory organs vary across different organisms, they all contain respiratory surfaces that have a large surface area and are extremely thin. explain why having an extremely thin respiratory surface with a large surface area is advantageous for the process of gas exchange

Which of the following words describe the reality that the universe looks the same from various perspective

What is the compound name for the formula [ru(en)2cl2]2+ and [co(en)cl2br]-