A kettle containing {eq}2\;kg {/eq} of water has just reached its boiling point. How much energy, in joules, is required to boil the kettle dry? Latent Heat of Vaporization Latent heat of vaporization refers to the amount of hea...
What can you do if you’re struggling to pay your energy bill? How much energy does the average UK household use? The amount of energy you use will depend on several factors, including the number of people living in your home, how many appliances are used and the size of your property...
How much heat is required to boil away 0.450 kg of water that is initially at 48 degrees Celsius? When 3.0 kg of water is warmed from 10 degrees Celsius to 80 degrees Celsius, how much heat energy is needed? (...
An energy-efficient lamp rated at 10 watts uses 10 joules of energy every second (because 1 watt means using one joule per second), so it would take it 37,800 seconds—about 10.5 hours—to use as much energy as our kettle uses in a single boil!
We can do much better by using a stovetop to boil water instead. When you put atraditional kettleon the stove—either an electric stove or a gas-powered stove—it directly contacts the heat source. Electric stovetops use a heating element just like electric kettles, although a traditional ket...
Two minutes might not seem long on a clock, but 120 seconds is all you need to give your skin the boost it needs this time of year. In less time than it takes to boil a kettle, Youth To The People’s newYerba Mate Resurfacing Energy Facialwields the power of the...
If you absolutely love your gym, the price of membership, and how much use you get out of it, great. If you don’t, read on… Getting Rid of a Gym Membership Justifying the price of something related to our health is fairly easy to do. Especially when it is something as wholesome ...
back down. In science, we say you have to doworkagainst the force of gravity to push the boulder up the hill. Doing work means you have to use energy: the muscles in your body have to convert sugar and fat to make the energy you need to push the boulder. Where does this energy ...
As you wind your way up the path to the Magickal Cottage, knock on the door, for you are most welcome! The kettle is about to boil and I’ll brew us some tea so we can sit and discuss how to create a magickal life. Merry Meet!
3. Boil water: Put a medium to high heat on a pot of water and bring to a boil 4. Blanch the bok choy: To steam your bok choy, place it in a steamer basket or a colander and submerge it in the pot—a kettle of boiling water and a basin of freezing water. ...