Thermodynamics

For the second part of this week’s lab, I made a quick trip to the small local hardware store to purchase a galvanized nail and small piece of copper wire. My grand total was very affordable at 20 cents. 1. One large orange 2. One 2-inch-long galvanized nail 3. 2-inch-long copper wire 4. String of holiday Christmas lights 5. Needle nose pliers Procedure To start this lab experiment, I gathered all the supplies needed and placed them onto my kitchen counter (see picture). First, I took the…

Name ____________________________________ Lab-Getting Trendy Pre-Lab 1. Which property uniquely identifies a chemical element? (hint: the element’s “social security number”) ______________________ 2. Describe the general characteristics of metals, nonmetals, and metalloids. ______________________________________________________________________________________________________________________________________________________ 3. Read over the entire lab activity. Develop a hypothesis about which…

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Experiment #3 (Gas) a). My first hypothesis was correct. I had a hypothesis of the glove inflating when the flask was put in the hot water because I knew that gasses with more thermal energy tend to go upwards and I assumed that the heat would make the gas particles inside the bottle expand and inflate the glove when there is no more space in the bottle My second hypothesis was also correct. I had a hypothesis of the glove deflating when the flask was put in ice because I knew that when…

The issue with sleeping is that quiet environment is necessary. In the story “Park bench vacation” by Italo Calvino, the main character Marcovaldo also chose the wrong to sleep. There is not a forest close to his apartment, so he decides to sleep in a park for the night in order to experience serenity. Unfortunately, the bench on which he wants to sleep is occupied by a couple of lovers. After a while, he can lie down on the bench, but the light of a traffic light, the noise made by a team of…

Thermoregulation includes all phenomena in which an organism maintains a mean or variance of body temperature that diverts from a null expectation, defined by random use of thermal microclimates and passive exchange of heat with the environment (Akin, 2011; Kemp & Krockenberger, 2002;). In Biomimicry, through studying thermoregulation, human beings can apply nature’s techniques to architecture when designing buildings. Present temperature systems are using a lot of energy, especially to…

The Effect of Temperatures on Rate of Reaction of Alka-Seltzer Introduction: A. Background This particular experiment consists of a purpose of finding out the effect of various temperatures on the rate of reaction of the Alka-Seltzer tablets. Alka-Seltzer is a medical drug that acts as a pain reliever or an antacid, which helps neutralize stomach acidity, such as heartburn. Alka-Seltzer is a form of a baking soda which is also known as sodium bicarbonate, (NaHCO₃). When sodium bicarbonate…

Energy Word Bank – 9 Science Word Definition Scientific Model A representation of a concept we can not physically see. Energy The ability to do something. Kinetic Energy Moving energy exp: a moving car Potential Energy Something that has the ability to power or do something or cause a change; stored energy exp: a battery Mechanical Energy The energy an object contains due to its positioning or movement. Gravitational Potential Energy Something that is in a position where it may fall or…

The objective of the lab is to find the calorimeter we used by determining the heat given off from pringles and calculate how much energy was released by the burning food substance. In addition, we can also use the concept of conservation of energy that energy cannot be created or destroyed. Introduction In order to complete the snack energy lab, calorie and calorimetry will be use as a major technique. By burning pieces of food, the chemical energy stored in molecular bonds is released as heat…

Pure water boils at 212˚ Fahrenheit (100˚ Celsius) at sea level, but water can also boil at temperatures as low as -90˚ Fahrenheit (theoretically). The reason for this phenomenon is pressure. “There is a direct correlation between pressure and temperature when it is dealing with the boiling point of water,” says Jacob Young, a mechanical designer at Blauch Brothers, Inc (Young, J.C. 2017). The pressure on Earth at sea level is 14.696 PSIA (Pounds per Square Inch Absolute). This pressure is…