How many $1^H$ NMR signals will be observed for ${\mathrm{CH}}_3{\mathrm{CH}}_2{\mathrm{CH}}_2{\mathrm{CH}}_3$ (n-butane)?

For the molecule ${\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{OH}$ (ethanol), how many distinct signals would you expect in its $1^H$ NMR spectrum?

Which of the following compounds would give only one signal in its $1^H$ NMR spectrum?

How many distinct signals would you expect to observe in the ${13}^C$ NMR spectrum of ${\mathrm{CH}}_3{\mathrm{CH}}_2{\mathrm{CH}}_2{\mathrm{CH}}_3$ (n-butane)?

Given the compound ${\mathrm{CH}}_3\mathrm{CH}{2}_{}\mathrm{CH}{3}_{}$ (propane), how many distinct ${13}^C$ NMR signals would you expect to observe?

How many distinct signals would you expect to observe in the $1^H$ NMR spectrum of ${\mathrm{CH}}_{3}O{\mathrm{CH}}_3$ (dimethyl ether)?

How many unique $1^H$ NMR signals would you expect to see for ${\mathrm{CH}}_{3}O{\mathrm{CH}}_2{\mathrm{CH}}_3$ (methoxyethane)?

For the compound $C_2{H}_5\mathrm{Br}$ (bromoethane), how many distinct $1^H$ NMR signals are expected?

How many distinct $1^H$ NMR signals would be observed for 2-methylcyclohexanol?