The fusion on water is an enxothermic change but at this temp, the temp-entropy product is outweighed by the change in enthalpy.
Red giants produce "metals", i.e., heavier elements.
The first step is helium conversion into
<span>carbon</span>
(2.32g/cm³) x (1kg/1000g)x(1 000 000 cm³/1m³) = 2320 kg/m³
1 ml= 1 cm³
