Thermodynamic temperature

environment, this means that the fridge is cooled to a temperature which is below the ambient temperature of the room that it is in. the refrigerator lowers the temperatures in a confined volume which therefore lowers the reproduction rate of bacteria, this means that the bacteria will not be able to effect the food as quickly and the rate of spoilage for the food inside the fridge will decrease. Optimum Storage Temperature. The optimum food storage temperature for common foods is 3 to 5…

was also hypothesized that the retention times decreased as the temperature in the gas column increased. In the first part of the experiment the relationship between the temperature and retention time, and the non-polarity of the molecule and the retention time was determined. As the temperature in the gas column increased the organic compounds eluted out of the gas chromatogram with a shorter retention time. When the temperatures are higher than the organic compound’s boiling…

reaction is controlled kinetically and occurred because it had the smallest activation energy. Then after forming this compound, the reaction did not have enough energy to reverse and overcome that activation energy. After completion of the room temperature reaction, a white compound with a yellow tint was obtained. This indicates that the majority of the product was cyclohexanone semicarbazone,…

The purpose of this experiment was to determine the thermodynamic properties of the entropy, enthalpy and free energy, as well as the solubility product of borax as a function of temperature from the dissolution of borax in an aqueous solution. Thermodynamics is the study of heat and its transformations. The properties of thermodynamics are entropy, enthalpy and free energy. The properties of thermodynamics can be viewed in terms of spontaneity. Spontaneity is a spontaneous change of a system…

showed significantly more clustered structure than either stearic or stearic – nhexanol formation. The thermodynamic parameters are evaluated using Eyring equation is given below…

The Thermodynamics of Potassium Nitrate Dissolving in Water Introduction: This experiment focuses on thermodynamics or the study of heat and molecular randomness. It helps illustrate how and why potassium nitrate (KNO3) dissolves in water. When it dissolves, it dissociates into potassium (K+) and nitrate (NO3-) ions. These ions can also recombine into solid potassium nitrate. This reaction can reach a state where concentrations of ions remain constant or Ksp; which stands for the equilibrium…

eliminating heat from a substance. After heat removing, the next stage of the refrigeration process is to pass it out elsewhere in order to fulfill the desired purpose of lessening temperature of that particular place or space. Another aim is to maintain a desired lower temperature. According to the Second Law of Thermodynamics, heat does not pass from the cold place to warm place without the assistance of an outer agent. Therefore, a refrigerator needs to have an outer agent to operate it…

Energy Thermodynamics is, the everything that happens due to the flowing of the heat from a hot locale to a cold locale, and nothing occurs without the flow of the heat. Additionally, thermodynamics is an exact science. Thermodynamic system is defined by volume, pressure, temperature and chemical make-up. When conditions change the thermodynamic system will respond by changing its temperature, volume, pressure, or chemical make-up and will adjust accordingly in order to reach its original…

of the proposed heat release rate model. The cylinder gas is considered as a spatially homogeneous thermodynamic system occupying in a single zone for the compression, expansion, intake, exhaust processes and two zones (burned and unburned zone) for the combustion process. The instantaneous composition of cylinder gases are obtained from the mass fraction of fuel burned. The instantaneous thermodynamic properties are computed by the established equations [20-21, 28]. The instantaneous gas…

Introduction Thermodynamics is the study of heat and chemical transformations as a result of energy changes, energy is what keeps things moving in our everyday life and is applied to nearly everything to a point where knowledge of thermodynamics is common sense weather we know it or not. Now a days every household, car, office and even laptops and electronics have air conditioning which has allowed for appealing aspects of commercial use and consumer consumption, but what we don 't consider is…