Which statement is true for a heating curve?
a.) it shows how the pressure of a substance changes when heated.
b.) it shows how the temperature of a substance changes when heated.
c.) it shows how the volume of a substance changes when heated.
d.) it shows how the mass of a substance changes when heated.

Which is a difference between molecular compounds and ionic compounds? select the correct answer below: question 5 options: molecular compounds typically form between a metal and a nonmetal, while ionic compounds typically form between nonmetals. molecular compounds result from the transfer of electrons between atoms to form ions, while ionic compounds result from the sharing of electrons between neutral atoms. molecular compounds are formed of discrete, neutral molecules, while ionic compounds are formed of large repeating arrays of opposite charges. molecular compounds have high melting points and high boiling points, while ionic

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true

Iron (fe) reacts with copper sulfate (cuso4) to form iron (ii) sulfate. in this reaction, cu2+ gains electrons to form cu. which statement is true about this reaction? fe(s) + cuso4(aq) → feso4(aq) + cu(s)