What happens to arrangement, movement and energy changes of the particles in a crystal when it melts?

At 450 mm hg a gas has a volume of 760 l, what is its volume at standard pressure

How many absorptions would you expect to observe in the 13c nmr spectra of the following molecules? a) 3-chloropentane b) cis-4-methyl-2-pentene

An unsaturated hydrocarbon is a hydrogen-carbon compound with a. a network solid structure b. single bonds c. single bonds in a branched-chain structure d. double or triple bonds