18 points) A 300 mL sample of helium at 400 K is cooled to 150 °K...
The temperature of a 500. mL sample of gas increases from 150. K to 448. K. What is the final volume (in ml) of the sample of gas, if the pressure in the container is kept constant?
To what temperature in K must a variable volume container of helium gas be cooled to obtain a final volume of 0.456 L? The initial volume and temperature are 1.02 L and 344 K, respectively. The pressure and number of moles are fixed.
a balloon sample of helium has a volume of 550 mL at a pressure of 1.0 atm. assuming no change in temperature or amount of helium what is the new volume in mL if the pressure drops to 8.5 psi? Question 29 Given 1 atm = 760 torr = 760 mmHg = 14.7 psi. A balloon sample of helium has a volume of 550 mL at a pressure of 1.0 atm. a. Assuming no change in temperature or amount of...
9. One mole of an ideal gas, initially at 300 K, is cooled at constant volume so that the final pressure is one-fourth the initial pressure. Then the Ras expands at constant pressure until reaches the initial temperature. Determine the work done on the gas.
20. A sample of helium gas has a volume of 900. mL and a pressure of 2.50 atm at 298 K. What is the new pressure when the temperature is changed to 388 K and the volume is decreased to 450. mL? Express your answer as a numeric response to the proper degree of certainty (# of significant figures).
a 175 mL sample of carbon dioxide at 678 torr and 295°C is cooled to -3.2°C at constant pressure. what is the final volume of gas in mL?
36. The temperature of a 500 mL sample of gas increases from 150. K to 350. K. What is the final volume of the sample of gas, if the pressure and amount of gas remains the same? A. 1170 mL B. 210 mL C. 110 mL D. 0.0950 mL 37. At 570. mmHg and 25 °C, a gas has a volume of 2270 mL. What is the final pressure (in mmHg) at a volume of 1250 mL and a temperature...
A sample of helium gas has a temperature of 298 K and a pressure of 3.60 atm, under a constant volume. What is the new temperature, if the pressure is increased to 3.80 atm?
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 sample of helium gas has a volume of 6.30 L at a pressure of 915 mmHg and a temperature of 27 ∘C. please answer the following questions with the information given above. 1.) What is the pressure of the gas in atm when the volume and temperature of the gas sample are changed to 1630 mL and 349 K if the amount of gas is constant? 2.)What is the pressure of the gas in atm when the volume and...