Microwaves Use High Powered Radio Waves And The Water Molecules

4.Calculate the heat absorbed or released per gram of solute added to the water (in joules/g) record in data table 2. Calculate the average heat per gram by averaging trials 1 and 2.

Place the beaker on the hot plate, place the thermometer in the beaker and set the hot plate to 5oC.

C6H12O6 + 6O2 → 6CO2 + 6H2O + 686 kilocalories of energy/mole of glucose oxidized

m = mass of water = density x volume = 1 x 26 = 26 grams

The staff of Eco Water consists of Mr. Krishna who is the manager, seven full time employees, and two part time employees. The full time employees are six salespeople and a secretary. The two part time

∆G˚ = ∆H˚ – T∆S˚ = – 3058 – 298(- 0.08767) kJ = – 3032 kJ

Purpose How does temperature affect the solubility of salt in water? Hypothesis: If temperature affect the solubility of salt in water, then when tested the warm water will have a much greater solubility.

* 40% sugar solution when the potato was placed into it and the mass was measured from time 5 minutes the mass was low then decreased greatly at a faster pace from time 10 minutes to 25 minutes

Most people use microwaves everyday. A lot of people actually wonder how microwaves work. For example, radio waves and radiation, microwaves use radio waves and radiation to heat foods (How Microwave Cooking Works, 2015). Furthermore, radio waves heat food by getting water molecules out of food (How Cooking Works, 2015). In addition, the history of a microwave started off very interesting. For instance, there was someone whose name was Dr.Percy Spencer, he accidently discovered the microwave (Clevenger 2015). More importantly, Dr.Percy had a chocolate bar in his pocket, he was testing a new vacuum and then the radiation and heat from the vacuum melted the chocolate (Clevenger, 2015). In the end, microwaves are something that is very useful

The amount of heat gained can be found by multiplying the (mass)(specific heat of water)(change in temperature). This follows the rule of Conservation Of Energy, that states energy can be neither created nor destroyed. Using this we are able to see that the amount of energy absorbed by the water is also equal to the amount released by the food in the

Fuel cells are highly efficient; 40- 60% and 85% if waste heat is caught. Fuel cells are also non- polluting.

Many households are becoming more energy efficient in some way or another. Homeowners are purchasing fuel efficient vehicles or installing solar panels on their homes to reduce their carbon footprint. You may also be considering taking a baby step, like installing a tankless water heater at your home. If your goal is to compare the benefits of a tankless heater to traditional water heater, keep reading to see the pros and cons.

First, the microwave has a latch that locks the door when in use, and when opened no more radiation is applied to the food. Which is a very safe way to use a microwave. The microwave acts as a light bulb, when operating it emits waves, however as soon as it is powered down the waves aren't being emitted anymore. The larger the wavelengths are the weaker they are. We are surrounded by radio waves from our cell phone and wifi signals on a daily basis Mr. Sommervold said he talked to you while

Mass of water x 4.2 (water’s specific heat capacity) x temperature change = energy transferred from the fuel to the water

The amount of heat required to raise the temperature of 1 g of water by 1oC Water has a high specific heat capacity A lot of energy is required to increase the temperature of water to 1oC due to the hydrogen bonds ~ heat must be absorbed in order to break hydrogen bonds & heat is released when hydrogen bonds form.