According to Weetabix's UK Web site, a 100 g serving provides 358 Kcal. (For you North American readers, that's 358 calories in a 3.5 oz serving without the milk.)
2Kj
no only .7 kcalories
100 percant
an apple gives you 7kcal of energy
100%
100 watts a day
Exactly 100% of solar energy is emitted by the sun.
If efficiency is 100%, each Joule of electrical energy is converted into one Joule of another type of energy.
100 kW is not an energy, it is a power. It is the same as 100 kJ/sec (100,000 joules/second. The 100 kW - or 100 kJ/second - can be converted to 100 kW of mechanical power - or less, depending on the type of energy, and how much is wasted.
The needed energy at 100 oC is 48751 MJ.
About 10% of energy
100 aholes