liquids and gases. Gas Pressure: 1. Calculate each of the following: (show your work) i. 740 torr = _______________ atm ii. 1.15 atm = _______________ in Hg iii. 780 mm Hg = _____________ Pa Gas Laws: 1. If a sample of 4.17 L of ethane gas at 95 C is cooled to -80 C at a constant pressure‚ what is the new volume? 2. Calculate the volume occupied by 8.072g of neon gas at a temperature of 35C and a pressure of 1140 torr. (R = 0.0821 L.atm/mol.K) 3. Methane gas (CH4) is compressed
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05.03 Gas Laws: Lab Report Directions: Read/ Study all the lesson information in the 5.03 lesson then click the activity tab to perform two virtual labs. (There are recorded Teaching Videos for lesson 5.03. To view them click the “Help Sign” on the announcement page. Next scroll down to Lesson 5.03 stuff and you should see 5 part video links that will cover the lesson content.) Virtual Lab 1- Part I: Boyle’s Law A sample of gas is trapped in a sealed container‚ which has a movable lid. Moving
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the identity of an unknown volatile liquid. In the first part of the experiment‚ the molecular mass was found by using water to find the volume of a flask through calculations and this as well as the mass of the gas of the unknown liquid were put into the a manipulated version of the ideal gas equation to determine the molar mass of the liquid‚ which was 14.21g per mole. The next part was used to determine the density of the volatile liquid. First the volatile liquid was placed in a pyncometer and massed;
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MODULE 2 WORKSHEET 6 CALCULATIONS INVOLVING GASES Syllabus reference 9.3.2 1 Two identical gas flasks‚ A and B‚ are kept at the same temperature and pressure. Flask A contains 10 g of ethane gas‚ C2H6. Flask B contains sulfur dioxide gas‚ SO2. Calculate the mass of sulfur dioxide gas in flask B. moles ethane 10/30 0.33 mol moles SO2 0.33 mol mass SO2 0.33 64 21 g 2 What mass of nitric oxide‚ NO‚ is present in a 2.5 L flask at a pressure of 100 kPa and 0ºC? mole NO 2.5/22.71
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transmission of a small disturbance through a medium. The speed of sound occurs constantly‚ whenever a sound is heard. It’s everywhere‚ and in air we are discovering certain factors like altitude and air density. The speeds in ideal gases and air have their own formulas: Thus‚ For a gas the K is given by the formula above‚ and the C is the coefficient of stiffness in solids. Thus the second formula is given. (Gamma) is the adiabatic index‚ then is the pressure‚ and the regular P is the density.
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Thermal expansion is the tendency of matter to change in volume in response to a change intemperature.[1] All materials have this tendency. When a substance is heated‚ its particles begin moving more and thus usually maintain a greater average separation. Materials which contract with increasing temperature are rare; this effect is limited in size‚ and only occurs within limited temperature ranges. The degree of expansion divided by the change in temperature is called the material’s coefficient
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Experiment 4 Introduction In this experiment we measured the relationship between temperature‚ volume‚ and pressure. Objectives: Conduct a set of experiments‚ each of which illustrates a gas law. Gather data to identify the gas law described by each activity. Complete the calculations necessary to evaluate the gas law in each activity. From your results‚ derive a single mathematical relationship that relates pressure‚ volume‚ and temperature. Hypothesis: As the temperature increases the pressure
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solved is what gas laws are being used when the pressure‚ temperature‚ and volume are being measured. The three gas laws are Boyle’s Law‚ Charle’s Law‚ and Gay-Lussac’s Law. The Boyle’s Law is when volume and pressure are being compared. Pressure and volume are inversely proportional‚ because when pressure goes up‚ volume goes down. The Charle’s Law is when volume and temperature are compared. Volume and temperature are also inversely proportional as well. Lastly‚ Gay-Lussac’s Law is when pressure
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entered the eudiometer when it was transferred to the tall graduated cylinder‚ then the value of R would increase. This is because in my manipulated gas law equation‚ R=PVnT‚ volume is on top‚ in which if it’s value increases‚ then the value of R will also increase. And because volume is directly correlated by the how much gas is in the eudiometer‚ the more gas in the eudiometer‚ the bigger the volume and R value. If some of the magnesium ribbon was left over after the reaction‚ then the value of R would
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1) • Analyze data that shows how gas particle mass affects that gas’s behavior. (Exploration 2) • Describe the Maxwell-Boltzmann Distribution. (Explorations 1 and 2) Description of Activity The kinetic-molecular theory states that a collection of gas molecules’ average kinetic energy has a specific value at any given temperature. In this activity‚ you will study how temperature and gas particle mass affect the frequency distribution of gas particle speeds. You will examine and
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