The total energy required to melt 30.0 grams of a solid is 741 joules. What is the heat of fusion for this substance?

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of tthe table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

Which description best characterizes the motion of particles in a solid?

Draw the aromatic compound toluene (methylbenzene). show all hydrogen atoms, including those on the ring.