so fire is considered pure energy? No, it is not considered pure energy, but a lot of energy is released in heat and light. Jun 2, 2004 #15 loseyourname Staff Emeritus Gold Member 1,829 5 Well, the fire you see is pure energy. The only thing anybody sees is light energy;...
The current prepayment price cap level is £1,803. Why is the energy price cap controversial? There are a few reasons why the energy price cap has come under fire from energy experts: Significant knock-on costs to customers - Since the increase of energy prices in September 2021, the cap...
835.For example, this morning my breakfast is flat bread warmed over a fire, dried reindeer meat, and some sweet and sour berries that I found growing near my tent. 例如,今天早晨,我的早餐是火堆上烤热的大饼、驯鹿...
neighbors and even strangers a lot about how to prevent the fire from happening. If there is a fire, it is better to run out of the building as quickly as we can. We should also call 119 for fire alarm at once. Whe...
小题1:根据空白处前后句“Inspiration is a powerful force.”“Here are several ways to light the fire and inspire you to take action:Inspiration is a powerful force.”可知,这里谈论的是inspiration,F项符合情境,故选F。小题2:根据“Be decisive... Take action and test your results.”可知,本段...
When we harness electricity to power our circuits, gizmos, and gadgets, we're really transforming energy. Electronic circuits must be able to store energy and transfer it to other forms like heat, light, or motion. The stored energy of a circuit is called electric potential energy. ...
In that sense, Earth is probably unique. Although we may detect some life elsewhere, it will necessarily be completely different.从这个意义上说，地球可能是独一无二的。虽然我们可能会在其他地方发现一些生命，但那肯定是完全不同的。It was this mind-blowing series of improbable events that made Earth...
When the voltage gets high enough, usually around 30,000 volts per centimeter of space, the charged object will discharge its electrical energy [source: Scientific American]. The reason why St. Elmo's Fire occurs most often on pointed objects is that a tapered surface will discharge at a low...
When they're allowed to combine with oxygen, this energy is released as heat and light. 当它们与氧气结合时,这些能量就会作为光和热释放。 Fire is a rapid chemical reaction known as oxidation. 火是一种快速的氧化化学反应。 Inside a fire, oxygen molecules break bigger molecules apart into carb...
Fire is hot because the conversion of the weak double bond in molecular oxygen, O2, to the stronger bonds in the combustion products carbon dioxide and water releases energy (418 kJ per 32 g of O2); the bond energies of the fuel play only a minor role here. Flame A flame (from Latin...