1) Helium gas with a volume of 2.60 litres, under a pressure of 0.180 atmospheres at...
Helium gas with a volume of 3.50 L , under a pressure of 0.190 atm and at a temperature of 45.0 ∘C, is warmed until both pressure and volume are doubled.What is the final temperature?How many grams of helium are there? The molar mass of helium is 4.00 g/mol.
A 1.8 L volume of neon gas (monatomic) is at a pressure of 4.0 atmospheres and a temperature of 440 K. The atomic mass of neon is 20.2 g/mol. In this situation, the temperature of the gas is increased to 540 and the volume is increased to 3.8 L. The final pressure of the gas, in atmospheres, is closest to: A) 2.1 B) 2.6 C) 3.0 D) 2.8 E) 2.3 15) A 1.8 L volume of neon gas (monatomic) is...
An ideal gas is kept in a 88-liter [L] container at a pressure of 2.52.5 atmospheres [atm] and a temperature of 290290 kelvin [K]. If the gas is compressed until its pressure is raised to 55 atmospheres [atm] while holding the temperature constant, what is the new volume in units of liters [L]?
Part A: A gas cylinder has a volume of 43.20 litres. If the cylinder contains helium at a temperature of 28.00 deg. C and an absolute pressure of 1800 psi, how many moles (mol) of gas are contained in the cylinder? Part B: If the temperature of the gas is increased to 78.0 deg. C, what will the absolute pressure be?
A sample of helium gas has a volume of 6.70 L at a pressure of 845 mmHgand a temperature of 26 ∘C . What is the final pressure of the gas, in atmospheres, when the volume and temperature of the gas sample are changed to the following, if the amount of gas does not change? 1550 mL and 315 K P1 = atm Part B 2.45 L and 18 ∘C P2 = atm Part C 14.0 L and 42 ∘C...
A 2.60-mol sample of helium gas initially at 300 K, and 0.400 atm is compressed isothermally to 1.00 atm. Note that the helium behaves as an ideal gas. (a) Find the final volume of the gas. (b) Find the work done on the gas. (c) Find the energy transferred by heat.
Part A Calculate the pressure, in atmospheres, of 2.43 mol of helium gas in a 10.0L container at 25°C. Express your answer to three significant figures and include the appropriate units. P- Value Units Submit Request Answer
A sample of helium gas at 27.0 °C and 2.60 atm pressure is cooled in the same container to a temperature of -73.0 °C. What is the new pressure? answer with correct sig figs
A 2.60-mol sample of helium gas initially at 300 K, and 0.400 atm is compressed isothermally to 1.00 atm. Note that the helium behaves as an ideal gas. (a) Find the final volume of the gas.? m3 (b) Find the work done on the gas. kJ (c) Find the energy transferred by heat. kJ
4. A flask with a volume of 2.20 L, provided with a stopcock, contains ethane gas (C2H6) at a temperature of 310 K and atmospheric pressure 1.013x10 Pa. The molar mass of ethane is 30.1 g/mol. The system is warmed to a temperature of 375 K, with the stopcock open to the atmosphere. The stopcock is then closed, and the flask cooled to its original temperature. A) What is the final pressure of the ethane in the flask? B) Find...