2C4H10+13O2 = 8CO2 + 10H2O what volume of gaseous product , measured at room temperature and pressure is formed when 0.1 mol of butane gas is burnt completely ?

Which of the following elements would you expect to have the lowest ionization energy value? fluorine, lithium, neon, nitrogen

The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.

Which is the most concentratic acid