)k-1k Where‚ P1 and T1 is initial absolute Temperature and absolute Pressure P2 and T2 is Temperature and Pressure after the expansion. Materials and Apparatus: Perfect gas expansion unit Procedure 1. General start up procedure is performed as stated in appendix A. All valve are fully closed 2. The hose is connected from compressive pump to pressurized chamber 3. The compressive pump is switched on and the pressure inside chamber is allowed to increase up to 160kPa.The pump is switched
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Boyle’s law‚ Pascal’s law‚ and Archimedes’ law. Boyle’s Law states that under conditions of constant temperature and quantity‚ there is an inverse relationship between the volume and pressure for an ideal gas. Pascal’s Law states that if pressure is applied to a non-flowing fluid in a container‚ then that pressure is transmitted equally in all directions within the container. Archimedes’ principles is an upward force on an object immersed in a fluid (a liquid or a gas)‚ enabling it to float or
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under variety of different conditions‚ such as‚ different amount of drops of enzymes and different temperature of water. The class measured the pressure in the test tube during the reaction of the substance with‚ 1.5 ml of H2O2‚ 1.5ml of H2O and different amounts of enzyme drops‚ to determine how much oxygen gas is produced during the reaction since the pressure of the test tube will get higher as more oxygen gas is accumulated during the reaction. 2) If more drops of the enzyme are added to the
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message: (561-542-5608) Calculations: 1. Write the balanced equation for the reaction conducted in this lab‚ including appropriate phase symbols. Mg(s) + 2HCl(aq) --> H2(g) + MgCl2(aq) 2. Determine the partial pressure of the hydrogen gas collected in the gas collection tube. The partial pressure of the hydrogen gas is 1.07 atm 3. Calculate the moles of hydrogen gas collected. pv=mrt ; n= .0013mol of hydrogen gas 4. If magnesium was the limiting reactant in this lab‚ calculate the theoretical yield
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Relationship Between Pressure‚ Temperature‚ and Volume The relationships between temperature and volume is directly proportional. This means that volume expands as temperature rises. A drop in temperature can also mean a drop in volume. In the 18th century‚ scientists discovered that relationships between pressure‚ volume‚ and temperature were constant across types of gas. These early laws gave rise to the combined gas laws and the ideal gas laws. Charles’s Law Charles’ Law shows a direct relationship
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Results Table showing strains form grids 1 – 3 at different pressures Pressure Ɛ1‚Grid #1(μƐ) Ɛ2‚ Grid #2 (μƐ) Ɛ3‚ Grid #3 (μƐ) (Bar) Up Down Avg Up Down Avg Up Down Avg 0 0 0 0 0 29 14.5 0 -12 -6 68.95 31.5 32.5 32 79.5 95 87.25 38.5 46 42.25 137.89 65 65.5 65.25 154 166 160 97.5 103.5 100.5 206.84 98.5 97.5 98 224 231.5 227.75 154.5 161.5 158 275.79 133.5 131.5 132.5 297.5 299.5 298.5 219.5 220 219.75 344.74 166.5 166.5 166
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consume O2 and give off CO2 during the manufacturing of ATP. (Jenkins‚ 2010) Air moves into the lungs when the air pressure inside the lungs is less that the air pressure in the atmosphere. Boyle’s law states that‚ “The difference in pressure caused by changes in lung volume force air into our lungs when we inhale and out when we exhale.” Pg.748 if volume increases‚ outside pressure must decrease. This process involves the diaphragm muscle which increases‚ during forceful inhalations expanding the
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Therefore‚ t = 0.236 in. satisfies all internal pressure conditions. Check this steel-wall thickness against the external load due to 10 feet of fill. STEP 2 EXTERNAL LOAD DESIGN A . MODIFIED IOWA FORMULA Prior to checking the anticipated horizontal deflection of the pipe‚ the designer must evaluate and determine the component parts to be used in the modified Iowa formula. 1. DEAD LOAD‚ We (Check for the maximum fill height.) Fill Height: H = 10 ft Soil Unit Weight: w = 120 pcf Pipe
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THERMAL PHYSICS LABORATORY: INVESTIGATION OF ADIABATIC PROCESSES IN AIR This experiment has two parts. In the first‚ you will use a dynamic method to measure the ratio of the specific heat capacities of air and‚ in the second‚ you will investigate the behaviour of gas undergoing an expansion that is approximately adiabatic and ‘partially reversible’ – somewhere between the two limits of a completely irreversible (free) and perfectly reversible expansion. The air can be considered an ideal gas
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Chemistry 222 – Lab 4 Decomposition of Hydrogen Peroxide Abstract: This lab was designed to observe the decomposition of hydrogen peroxide into it oxygen and water. The equation for this reaction is H202 H2O + +1/2O2 thus by measuring volume and pressure of O2 generated the amount of O2 generated can be calculated which in turn can be utilized to determine the concentration of water already in the H2O2 solution. The results determined that 3.02% of the solution is composed of H2O2. Introduction:
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