pressure also increases the risk of the tire exploding. Gas mileage refers to the number of miles a vehicle can travel on a gallon of gas. The gas mileage of a car can be affected by several factors such as the driver’s driving habits and tire pressure. Aggressive and high speed driving will normally result in a higher consumption of gasoline. The tire pressure of a car can also have a significant effect on the distance a car can travel on a gallon of gas. Inflating tires to the recommended air pressure
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Detailed Lesson Plan in Science IV (Soil Erosion) I. Learning Objectives a. Identify the agents of soil erosion. b. Explain how each agents cause erosion. c. Perform related activities enhancing knowledge about soil erosion. d. Enumerate ways and means on how to help prevent soil erosion. II. Subject Matter a. Topic: Soil Erosion b. References: c. Concepts: Soil Erosion and its Effects d. Sciences Processes: Observation‚ Experimenting‚ Analysing e. Materials: 2 large
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Dry ice is a solid which is known as the solid format of carbon dioxide which is an odorless gas made by burning carbon henceforth the name .Carbon dioxide is what humans exhale and pants inhale. Dry ice is a very popular experimentation factor this is because of the name which come from the fact that dry ice doesn’t melt. The differences among standard frozen water ice is that the standard ice melts while dry ice on the other hand does not. Dry ice also maintains a very vibrant white color compared
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full of water and placed on a hot plate. The temperature and pressure were recorded every 5 seconds as the flask was heated. Chart 3: Sample Calculations Moles Of Hydrogen Gas Produced 0.029 g Mg/(24.31 g/mol) = 0.00119 mol Mg .00119 mol Mg = mol H2 .00119 mol H2 Partial Pressure Of Hydrogen Gas Total Pressure Change = 192.3 torr Vapor Pressure of Water = 17.55 torr
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No fixed shape‚ has fixed volume‚ flow easily. Gas: when collected into vessels occupies all space inside vessel‚ takes shape of container‚ no fixed shape or volume. Arrangement of particles in solids‚ liquids & gases • Attractive force among particles strongest in solid. Particles are close together& arranged in a fixed pattern. • Weaker attractive force in liquids than solids. Particles not as close as in solid but more closer than in gas. Particles loosely packed ‚ have freedom of moving
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the Joule-Thompson Effect and Coefficient Determination for Helium and Carbon Dioxide Niki Spadaro‚ Megan Cheney‚ and Jake Lambeth University of North Florida‚ CHM4410C Fall 2010 The Joule-Thomson coefficient explains the behavior of any real gas when changes in intensive properties‚ such as temperature and pressure‚ occur. The coefficients for helium and carbon dioxide were determined using a Joule-Thomson apparatus that created constant enthalpy within the system. Using literature values for
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Science quiz review 1. Recall safety rules of a science lab. (WHMIS) a. 2. List examples of elements‚ mixtures‚ and compounds. a. Elements: hydrogen; oxygen; iron; zinc‚ Mixtures: sea water; crude oil‚ Compounds: water; sugar; salt 3. Compare and contrast the properties of elements‚ mixtures and compounds. a. Elements consist of a single kind of atom; They have unique‚ fixed properties; They cannot be separated into simpler unique substances. Compounds consist of two or more kinds
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goal‚ cutting the straw caused the gases to not have to go as far‚ and meet in the middle. Background The particles in a gas are very loose and tend to move around a lot very quickly. The particles in a solid are very compact and vibrate but don’t really move very much. The particles in a liquid however are more lose than the particles in a solid but not less than a gas. Materials Goggles | Apron | Gloves | Straw(1) | Ammonia | Hydrochloric acid | Q-tip(2) | Test tubes | Hood | Pencil
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phase state to another‚ or in other words‚ when it goes from either a solid to liquid or liquid to gas. The potential energy that is stored between molecules of the substance needs to be overcome by the kinetic energy of the motion of the particles before the substance can undergo the phase change. The temperature of a substance as heat is added to change the phase from the solid state to the gas state is shown below. Phase changes are indicated by flat regions where heat energy is used to overcome
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Variable- Independent- Amount of Catalase (Filter Paper) Dependent- Amount of Oxygen (kPa) Constant- Temperature in Fahrenheit‚ 2 Pipette of Hydrogen Peroxide‚ 0.8 Cm Filter Paper Punches Materials: * 6 Test Tubes * Vernier Gas Pressure * Sensor * Catalase * Filter Paper Punches * Beaker * Control Group * Test Subject * Safety Goggles * Dropper Pipette * Go Link Procedure- 1. Gather Your Materials Figure 2 2. Put
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