A 0.0417-m³ container is initially evacuated. Then, 5.33 g of water is placed in the container, and, after some time, all of the water evaporates. If the temperature of the water vapor is 399 K, what is its pressure? Number i Units
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- (a) Suppose a meter Stick made of steel and one made of invar (an alloy of iron and nickel) are the same length at 0C. What is their difference in length at 22.0C ? (b) Repeat the calculation for two 30.0mlong surveyor's tapes.2.00 mol of gas at a temperature of -160 °C fills a 2.70 L container. What is the gas pressure? Express your answer with the appropriate units. μÅ Value Submit Units ? Previous Answers Request AnswerA closed 1 L water bottle contains air at standard temperature and pressure. The bottle is left in a room for a few hours, and the sun heats up the bottle to 30oC. What is the new pressure inside the bottle? Give an answer in atm with 3 digits of precision behind the decimal.
- A gas has an initial volume of 2.4 L at a pressure of 1.5 atm and a temperature of 273 K. The pressure of the gas increases to 4.5 atm, and the temperature of the gas What is the final volume of the gas? 0.70 L increases to 313 K. 0.92 L 6.3 L 8.3 L Subrit Save and Exit Mark this and teturn ContentViewers/AssessmentViewer/Activit.A cubical box with sides of length 0.221 m contains 1.310 moles of neon gas at a temperature of 314 K. What is the average rate (in atoms/s) at which neon atoms collide with one side of the container? The mass of a single neon atom is 3.35x10-26 kg. Number i UnitsA gas at T0 and atmospheric pressure fills a cylinder. The gas is transferred to a new cylinder with three times the volume, after which the pressure is half the original pressure. What is the new temperature of the gas? Express your answer in terms of T0
- The vapor pressure of Substance X is measured at several temperatures: temperature vapor pressure -47. °C 0.0484 atm -35. °C 0.131 atm -23. °C 0.322 atm Use this information to calculate the enthalpy of vaporization of X. Round your answer to 2 significant digits. Be sure your answer contains a correct unit symbol. x10Consider the equation a=6πb/q√17 relating the variables a, b and q. If a scientist does an expirment in which b is held constant, q is varied, and a is measured. A. What specifically about the graph would confirm the relationship? B. What is the theoritical slope of the line on the graph?A gas is in a sealed container. The gas pressure is tripled and the temperature is doubled. By what factor does the number density of the gas increase?
- An arctic weather balloon is filled with 40.7 L of helium gas inside a prep shed. The temperature inside the shed is 7.°C. The balloon is then taken outside, where the temperature is −11.°C. Calculate the new volume of the balloon.You may assume the pressure on the balloon stays constant at exactly 1atm. Round your answer to 3 significant digits.You just calibrated a constant volume gas thermometer. The pressure of the gas inside the thermometer is 254.0 kPa when the thermometer is in contact with boiling water. The boiling water is under regular atmospheric pressure. What is the temperature of the thermometer, when it reads a pressure of 494.0 kPa? Submit Answer Tries 0/12A storage tank at STP contains 21.2 kg of nitrogen (N2). Part A What is the volume of the tank? μΑ V = Value Units Submit Request Answer Part B What is the pressure if an additional 32.1 kg of nitrogen is added without changing the temperature? V ΑΣφ P = atm Submit Request Answer