Which of the following is a quantitative property of minerals?
a. cleavage
b. hardness
c. luster
d. streak

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) .

Which of these conditions most likely produces an unstable isotope?

Chen drew a diagram to compare the ways in which different organisms obtain nitrogen. which label belongs to the area marked z?