How does nuclear fusion happen?​

Which type of substance ionizes partially and gives off hydrogen ions when dissolved in water? a. strong acid b. strong base c. weak acid d. weak base

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

What is the area in square meters of 448 g ai foil that has a thickness of 23921 nm? the density is 2.70 g/cm