The number of moles of h+ ions in a liter of distilled (pure) water is:

The number of moles of H+ ions in a liter of distilled (pure) water is: 1*10^-7

the transfer of heat by electromagnetic radiation is called thermal radiation . it is usually carried out by electromagnetic waves in an energy range just below the visible spectrum, which is the infrared range.

so the answer would be radiation.

: )