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- When lead is melted at atmospheric pressure, the melting point is 327.0 °C, the density decreases from 1.101 × 104 to 1.065 × 104 kg/m³, and the latent heat is 24.5 kJ/kg. Estimate the melting point of lead, T, at 41 atm. P - Select one: a. 327.164 °C b. 326.836°C O c. 327.096 °C O d. 326.409 °CA 200. g copper can contains 150. g of oil at 20.0 °C. To the oil is added 80.0 g of aluminum block at 300. °C. What will be the final volume of the aluminum after equilibrium is established? ρ = 2.7 g/cm³; α = 2.3 x 10⁻⁵ /°C A. 28.32 cm³ B. 28.68 cm³ C. 29.16 cm³ D. 29.63 cm³Celsius (°C) x 5 10 15 20 25 Fahrenheit (°F) y 41 50 59 68 77 You used to perform the following task correctly and completely:a. Plot the points.b. using any two points from the table, write an equation in slope-intercept form.c. Graph your equation in letter b to test that the line fits the datad. The freezing point and boiling point of water are 0°C and 32°F and 100°C and 212°F, respectively. Use this information to write another equation in standard form.e. Are the equations in letter b and letter d equivalent? Show your proof.f. Is your suspicion correct? Explain why or why not. Min. of 3 sentences and max. of 5 sentences.PLEASE ANSWER ONLY LETTER D,E AND F
- An ideal gas enclosed in a 1.77ft3 rigid tank initially at 70°C and 0.92kg/cm2 . Find the temperature in °C if the final pressure is 72in Hg.a. 692.6699 0C b. 682.2848 0C c. 633.5381 0C d. 644.0674 0C1 kg of barely molten lead, at 328°C, is poured into a large beaker holding liquid water right at the boiling point, 100°C. What is the mass of the water that will be boiled away as the lead solidifies?A. 0 kg B. <1 kg C. 1 kg D. >1 kg4. For a certain ideal gas R = 25.8 ft.lb /lb °R and k =1.09 a. What are the values of cp and cv? b. What mass of this gas would occupy a volume of 15 cu ft at 75 psia and 80 °F? C. If 30 Btu are transferred to this gas at constant volume in (b), what are the resulting temperature and pressure?
- A glass vessel is filled with exactly 1 liter of turpentine at 20°C. What volume of the liquid will overflow if the temperature is raised to 86°C. βturpentine= 97 × 10^-5/°C αglass= 9 × 10^-6/°C A. 62.24cm^3 B. 6.224ml C. 622.4ml D. 0.6224cm^32. A platinum bar increases in length by 0.2% when its temperature increases to 222OC.a. Draw the figure and reflect the increase in length and increase in temperature.b. Determine the coefficient of linear expansion of platinum? Note: Write the given data and the required quantity. Write the formula and solve for the required quantity. Encircle or box the final answer.3. A cylinder contains a hydrogen gas of volume 2.40 x 10 m³ at 17 °C and 2.32 × 10° Pa. Calculate a. the number of molecules of hydrogen in the cylinder, b. the mass of the hydrogen, c. the density of hydrogen under these conditions. (Given the molar mass of hydrogen-2 g mol-¹)
- An airship has an internal volume of 450,000 m3. How many grams of hydrogen gas can be contained in the airship at 0.90 atm and 30.0 °C? Select one: a.1.6 × 104 g b.3.3 × 107 g c.3.3 × 104 g d.1.6 × 107 gA 2 m3 air tank has an initial pressure of 200 kpa and 45°C. After 2 kg of air is used, the temperature drops to 35°C. What is the final pressure? A. 156.23 kpa B. 134.78 kpa C. 167.45 kpa D. 105.31 kpa4. An ideal gas is contained in a vessel of volume 12 L (12 liters) at a temperature of 20 °C and a pressure of 9 atm. a) How many moles of gas are in the vessel? b) How many molecules of gas are in the vessel?