Consider the following intermediate chemical equations. What is the enthalpy of the overall chemical reaction ? -4,580 kj -1,300 kj 1,300 kj 4,580 kj.

Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change

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.

How many moles is 14.5 cm^3 of platinum? the density of platinum is 21.45 g/cm^3.