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- A given gas is heated from 273 K to 546K, while its volume is doubled. If initially the gas pressure is 4 x 105 Pascal, the final pressure is: A-P = 4 × 105 Pascal B- P = 2 x 105 Pascal C- P = 1 × 105 Pascal D- P = 0.5 x 105 Pascal E- P = 0.25 x 105 Pascal O A Ос D ОЕQ1/ If H = U + PV, find the relations between G and FH.Your spaceship has docked at a space station above Mars. The temperature inside the space station is a carefully controlled 24 ∘C at a pressure of 745 mmHg. A balloon with a volume of 437 mL drifts into the airlock where the temperature is −95 ∘C and the pressure is 0.115 atm. What is the final volume, in milliliters, of the balloon if n does not change and the balloon is very elastic?
- By counting squares in the following figure, estimate the fraction of argon atoms at T = 300 K that have speeds between 400 m/s and 600 m/s. The curve is correctly normalized. The value of a square is its length as measured on the x-axis times its height as measured on the y-axis, with the units given on those axes. 28.57 f(v) (s/m) 0.0025 0.002 0.0015 0.001 0.0005 X 0 0 200 400 600 v (m/s) 800 1000 1200By counting squares in the following figure, estimate the fraction of argon atoms at T = 300 K that have speeds between 400 m/s and 600 m/s. The curve is correctly normalized. The value of a square is its length as measured on the x-axis times its height as measured on the y-axis, with the units given on those axes. f(v) (s/m) 0.0025 0.002 0.0015 0.001 0.0005 0 0 200 400 600 800 1000 1200 v (m/s)The boa constrictor is a cold-blooded snake, meaning it must regulate its body temperature through sunlight and other external sources. If the boa's body temperature can change from 73.00 °F to 87.00 °F, by how much can the boa's body temperature change in units of Kelvin? (round to nearest hundredth) K If the boa constrictor's temperature decreases by 16.00 °C, by how much does it decrease in units of Fahrenheit? (round to nearest hundredth) °F
- The temperature in a room is 24.1 °C. Compute the average kinetic energy of an oxygen molecule in this room. (An oxygen molecule is diatomic. One oxygen atom = 16u where1u = 1.66 × 10–27 kg.) KE = JThe boa constrictor is a cold-blooded snake, meaning it must regulate its body temperature through sunlight and other external sources. If the boa's body temperature can change from 70.50°Fto 85.00°F, by how much can the boa's body temperature change in units of Kelvin? (round to nearest hundredth) _____K If the boa constrictor's temperature decreases by 15.00°C, by how much does it decrease in units of Fahrenheit? (round to nearest hundredth) ____°FEstimate the number of people in the world who are suffering from the common cold on any given day. (Remember that a person suffers from a cold for about a week, and assume that the average person catches a cold twice a year. The population of Earth is approximately seven billion.) O 10² O 105 O 108 O 10¹3
- A cylinder of gas at room temperature (20°C) has a pressure p1. To what temperature in degrees Celsius would the temperature have to be increased for the pressure to be 1.2p1?The ideal gas law is given by, PV=nRT. According to the ideal gas law equation, if you plot 1/P as the y axis and V as the x axis, the slope is: O nRT 1 nR 1 nRT O nRThe number density of gas atoms at a certain location in the space above our planet is about 0.75 × 10!1 m²³, and the pressure is 2.9 x 10- 10 Pa in this region. What is the temperature in this region, in degrees Celsius? T =