How many liters of hydrogen gas will be produced at STP from the reaction of 5.369 x 10 ^ 23 atoms of magnesium with 55.33g phosphoric acid (H 3 PO 4 )? 3 Mg + 2 H3 (PO 4 ) Mg3 (PO 4 )2 + 3 H2

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

Asap! how do you lengthen a pattern piece? (family and consumer science, sewing)

Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils.the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.