Consider the substances quartz (SiO2), gold (Au), and nitrogen gas (N2). If possible, use the terms molecule and compound to describe each substance. If one or more of the substances cannot be described by the terms molecule and compound, explain why not.

Phosphorous acid, h3po3(aq) , is a diprotic oxyacid that is an important compound in industry and agriculture. the values of phosphorous acid are 1.30 6.70 calculate the ph for each of the given points in the titration of 50.0 ml of 1.5 m h3po3(aq) with 1.5 m koh(aq) .

How many moles of gas are present if p=11 atm, v=12l, t=185k?

Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.