Is the energy released during the explosion of hydrogen bomb mainly from the fusion of tritium or the fission of uranium 238?

Is the energy released during the explosion of hydrogen bomb mainly from the fusion of tritium or the fission of uranium 238?

It is mainly released by tritium fusion, but fusion needs extremely high temperature, and the energy from uranium 238 fission is needed to provide the conditions for fusion. Generally speaking, it is a hydrogen bomb detonated by an atomic bomb

How much TNT power is equivalent to the total fission of 1 kg uranium 235

The energy released by the fission of 1 kg uranium is equivalent to the energy released by the explosion of 20000 tons of TNT

12. It is known that the calorific value of bituminous coal is 2.9 × 107j / kg, then () a.2kg bituminous coal must give off 5.8 × 107 joules of heat b.1kg
The answer is a, not b

The calorific value is 2.9 × 107j / kg, that is to say, the total amount of heat contained in 1kg bituminous coal is 2.9 × 107j. The amount of heat released during the combustion of 2kg bituminous coal includes all the heat in smoke and fire, that is, all the heat contained in bituminous coal, so it must release 5.8 × 107 joules of heat