a sample of Ar gas has a volume of 6.30 L with an unknown pressure. the...
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...
a gas sample has a volume of .227 L with a unknown temperature . the same gas has a volume of .202 L when the temperature at 28C , with no change in pressure or amount of
A sample of Ne gas has a pressure of 694 mmHg with an unknown volume. The gas has a pressure of 385 mmHg when the volume is 489 mL, with no change in temperature or amount of gas.
1. A sample of an ideal gas has a volume of 2.26 L at 278 K and 1.10 atm. Calculate the pressure when the volume is 1.80 L and the temperature is 303 K. 2. The volume of a sample of hydrogen gas was decreased from 10.76 L to 4.05 L at constant temperature. If the final pressure exerted by the hydrogen gas sample was 8.39 atm, what pressure did the hydrogen gas exert before its volume was decreased? 3....
A gas system has an initial volume of 4.65 L with the pressure unknown. When the volume changes to 0.816 L the pressure is found to be 8.43 atm What was the initial pressure in atm? Three Significant figures. Enter numbers only.. no units!
#5 5. A sample of helium gas has a volume of 6.50 L at a pressure of 845 mmHg and a temperature of 25 °C. Calculate the number of moles of gas in this sample. 6. A gas mixture contains He, Ar, and Kr. The total pressure of the mixture exerted by the gases is 1.57 atm. The partial pressures of He and Kr are 0.33 atm and 0.39 atm, respectively. Calculate the partial pressure of Ar in this mixture.
A sample of gas has a volume of 3.0 L at a pressure of 2.0 atm. What is the volume of the gas in L at 10.0 atm? Temperature is constant. A sample of gas has a volume of 20.0 L at a pressure of 1.0 atm. What is the volume of the gas in L at 5.0 atm? Temperature is constant. A sample of gas has a volume of 4.0 L at a pressure of 0.50 atm. What is...
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 1.21 gram sample of an unknown gas is found to occupy a volume of 0.798 L at a pressure of 694 mmHg and a temperature of 31 °C. Assume ideal behavior. The molar mass of the unknown gas is____ g/mol.
A sample of gas has an initial volume of 13.2 L at a pressure of 1.38 atm. If the sample is compressed to a volume of 10.8 L, what is its pressure?