The melting and boiling points of a substance are independent of a. rate of heat change. b. mass. c. volume. d. all of these just give the laginitmit awser dont go all into deatail and or explain it

How many liters of hydrogen gas will be produced at stp from the reaction of 7.179×10^23 atoms of magnesium with 54.219g of phosphoric acid (h3po4) the equation is 3mg + 2h3(> mg(po4)2+3h2

Clyde and marilyn are riding a roller coaster. during which section(s) of the track is their potential energy converted to kinetic energy? a. from point b to point c only b. from point b to point d only c. from point a to point b only d. from point a to point b and from point c to point d

What prefix multiplier is appropriate for reporting a measurement of 5.57 ×10−5 m?