Which term describes the composition of matter shown in figure on the left? element compound mixture phase

Nuclear fusion is the source of energy for stars. besides hydrogen, which other element is most likely also common in stars?

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 much would the freezing point of water decrease if 4 mol of sugar were added to 1 kg of water(k=1.86 c/mol/kg for water and i=1 for sugar