Your instructor will first, pour ~ 2ml of dilute HCl(aq)solution into a small test tubeand willthen add a few drops of phenolphthalein indicator to the same test tube. At the end, she/he willadd ~ 3ml of dilute NaOH(aq)solution to the test tube. Write down your observation

How many moles of carbon dioxide will form if 2.5 moles of c3h8 is burned

An observation that requires measurement is called quantitative observable or qualitative

Identify one disadvantage to each of the following models of electron configuration: -dot structures -arrow and line diagrams -written electron configurations type in your answer below. (answer) -dot structures do not show the distribution of electrons in orbitals and take up a lot of space. -arrow and line diagrams take up a lot of space and make it difficult to count electrons. -written configurations make it easy to lose count of electrons and do not show the distribution of electrons in orbitals.