Fire and Marshmallows What are the two most important parts of going camping? Of course it’s making a fire and roasting marshmallows. These two fascinating chemical reactions are the topic of my paper. First of all, how does a fire work? A fire is a chemical reaction known as combustion. It is a chemical reaction between oxygen in the atmosphere and some sort of fuel such as wood or gasoline (Fire). For the reaction to take place, you have to heat the fuel to its ignition temperature. When wood reaches the temperature of 300 degrees Fahrenheit, or 150 degrees Celsius, the heat starts to decompose parts of the cellulose material that makes up the wood. These decomposing materials release volatile gases. The more common name for these gases, is smoke. Smoke is the combination of the compounds of hydrogen, carbon, and oxygen (Combustion). A fire also forms char and ash. Char is almost pure carbon. It is what you buy when you get charcoal. Charcoal is just wood that was heated to remove everything besides the carbon, hence why it burns without smoke (Charcoal). Ash is all the unburnable minerals in the wood such as calcium and potassium. …show more content…
First, the volatile gases break apart and the atoms recombine with the oxygen to form water and carbon dioxide. This is called burning. The reaction for this is: 6C10H15O7 + HEAT -> C50H10O + 10CH2O This first reaction is a lot quicker than the second one. In the second reaction, carbon in the char combines with oxygen. This reaction happens slowly. This is why charcoal can stay hot for a long period of time. The equation for the second reaction is: CH2O + 02 -> H20 + CO2 +CO + C +N2 The output of both of these reactions is heat and light. The chemical reactions produce heat which causes the carbon atoms to rise. As they rise, they emit light. This is called incandescence. This is the same thing that causes a lightbulb to light up. It is the flame of the
Collins, Suzanne. Catching Fire. United States: Shmoop University, 2014. Shmoop. Web. 20 Jan. 2013. .
oxygen, and cannot be smothered. If you start a chemical fire indoors, it can be
al. 1996). this dense produce is more thermally unbalanced than mulch or coal, mainly as of grass biomass. Little warming degrees and extensive residence eras will decrease the reactivity of the burn. On the other hand, great heating rates give to upsurge the reactivity of the subsequent char, creating it advanced appropriate for more thermal usage for example gasification or combustion (Hallgren, et. al. 1996).
Most individual have felt a burn, even a slight one at least once in their life, but do you really know what it is or how it might affect your body? A burn is a primarily thermal injury that causes trauma to the skin affecting the epidermis, dermis or both layers of the skin. A burn is classified in nature by the degree or severity of the burn, first degree being the mildest and third degree being the most severe. A burn injury may also be defined as an injury or malaise that has been brought about due to a fire for example, smoke inhalation. Smoke inhalation causes more death in victims that were in a house fire then actual burns. Smoke inhalation is defined as the inhalation of toxic gases such as carbon monoxide.
Investigation of the heat energy produced by combustion of various alcohols. Aim: ---- To investigate how different alcohols produce different amounts of heat energy through combustion. I will be heating water using different alcohols as fuels and measuring the amount of fuel consumed.
Using his knowledge from his science class, he recalls that beside fuel, it also need oxygen to make a fire, so he blows lightly when the spark lands on the tree bark, and he eventually makes the fire. Fire is one of the most important things that support him throughout his survival. It produce heat and light, which warms Brian at night and gives Brian a better vision at night, so he can protect himself from dangers. The fire also helps him avoid mosquitoes, the bumps they left are itchy, and mosquitoes can carry diseases which might make Brian sick. Moreover the fire is also use to cook meat; otherwise the rotten meat is not healthy and will make Brian sick.
For the sample calculations, let’s use the marshmallow as an example. Its initial mass was 0.66 grams and its final mass was 0.36 grams. To calculate the amount burned, subtract 0.36 from 0.66 to get 0.30 grams. (Mass burned = mi- mf). To find the marshmallow’s change in temperature, use the formula (ΔT =
Although fire is linked to human life, as it is essential for survival, not only its use for food, security and warmth, particularly in the extreme cold weather
Carbon dioxide or CO2 is known to be one of a number of gases that are astonishingly transparent to the visible light that falls on the Earth from the Sun, but it absorb the infra-red radiation that emitted by the warm surface of our Earth, to prevents its loss into space. Moreover, CO2 has varied considerably and this affected the Earth’s temperature. Most common source of this CO2 is known as the fossil fuel. Fossil fuels are primarily coal, hydrocarbons, natural gas, or fuel oil that formed from the remains of the dead plants and also animals. The burning fossil fuel that has been created by humans is the largest source of emissions of the carbon dioxide.
Investigating Factors Affecting the Heat of Combustion of Alcohols PLANNING SECTION Introduction ------------ Alcohols are organic substances, and consist of Hydrogen, Oxygen and Carbon. All alcohols are toxic but the amount that can be tolerated by the human body varies for different alcohols. For example drinking small amounts of Methanol can lead to blindness and even death.
I decided to begin my first search on the Internet. Since I had access to both a computer, and an Internet connection, I had no issues in that regard. The first article that I explored was called “Wildfires,” from the National Geographic website. In the article I learned that, depending on the wind condition, wildfires can have different reactions. For example, in the article, they stated that, “wildfires can burn acres of land and consume everything in their paths in mere minutes” (“Wildfires”). I also learned the positive effects that wildfires has on the environment. For example, naturally-occurring wildfires are fundamental in nature, as they return nutrients to the soil by burning dead trees, plants, and land. They also act as disinfectant, by removing poison plants, insects, and all sorts of dangerous species (“Wildfires”). That 's the information that I learned from the article, and while it wasn 't much, I did manage to find key information. I also
Stated by The Columbia Encyclopedia, 6th Ed. It is said that “Charcoal is a substance obtained by partial burning or carbonization (destructive distillation) of organic material, a charcoal is largely pure carbon.” In addition, The Columbia Encyclopedia said that the entry of air during the carbonization process is controlled so that the organic material does not turn to ash, as in a conventional fire, but decomposes to form charcoal.
I’ve long been familiar with the concept of coal mines, but a common occurrence I was unfamiliar with previous to this class was the concept of coal mine fires, but it is a huge problem, both economically and environmentally.
In order for a system to gain energy the surroundings have to supply it, and visa versa when the system looses energy the surroundings must gain it. As the energy is transferred it can be converted form its original form to another as the transfer takes place, but the energy will never be created or destroyed. The first law of thermodynamics, also known as the law of conservation of energy, basically restates that energy can’t be destroyed or created “as follows: the total energy of the universe is a constant.” All around the conservation of energy is applied. When gasoline burns in the engine of a car, an equal amount of work and heat appear as the energy is released. The heat from the engine warms its surroundings, the cars parts, the air, and the passenger area. The heat energy is converted into the electrical energy of the radio, chemical energy of the battery, and radiant energy of the lights. The change in the sum of all of the energies formed from the burnt gasoline would be equal to the “…change in energy between the reactants and products.” Biological processes, like photosynthesis, also follow energy conservation. The green plants convert the radiant energy emitted by the Sun into useful chemical energy, such as the oxygen that we breathe. The energy transferred between any surroundings and any system can be in the form of various types of work, chemical, mechanical, radiant, electrical, or heat.
Fire begins with an idea of a spark. Then the spark is made and with the