When 0.20 M NH4Cl (aq) and 0.20 M NaOH(aq) are mixed, the reaction represented by the equation above occurs and a strong smell of ammonia, NH3 is observed. Based on this information, which of the following statements is true?

Apure solvent has a vapor pressure the vapor pressure of a solution. a. equal to b. lower than c. higher than

Sodium nitrite (nano2) reacted with 2−iodooctane to give a mixture of two constitutionally isomeric compounds of molecular formula c8h17no2 in a combined yield of 88%. draw reasonable structures for these two isomers. click the "draw structure" button to launch the drawing utility. place the two compounds in the appropriate boxes below.

Acontrol during an experiment. might change remains constant does not exist does change