A sample of ethane occupies 345 mL at 298 K and 1.2 atm. If the pressure is not changed, what is the volume of this sample at 418 K?
A) 246 mL
B) 484 mL
C) 414 mL
A sample of ethane occupies 345 mL at 298 K and 1.2 atm. If the pressure...
A sample of air occupies 3.8 L when the pressure is 1.2 atm. a volume does it occupy at 6.6 atm? (b) What pressure is required compress it to 0.075 L? (The temperature is kept constant.) to
A sample of carbon monoxide gas occupies a volume of 263 mL at a pressure of 781.3 torr and a temperature of 399 K. What would its temperature be if the volume were changed to 82 mL at a pressure of 657.5 torr? QUESTION 2 Under conditions of constant temperature and volume, how many additional moles of gas would have to be added to a flask containing 2.7 moles of gas at 25.0 °C and 1.00 atm pressure in order...
A 0.875 g sample of an unknown compound occupies 245 mL at 298 K and 1.22 atm. What is the molar mass of the unknown compound?
A 0.415 g sample of an unknown compound occupies 235 mL at 298 K and 1.9 atm. What is the molar mass of the unknown compound?
A sample of CH4 gas occupies a volume of 575 ml at -25°C. If pressure remains constant, what would be the new volume if the temperature changes to: New volume (a) 298 K ml (b) 32 °F i ml (c) 45 °C ml
1. If a gas occupies 2 L at 3 atm, how many liters will it occupy at 6 atm if the temperature is not changed? a)1L b)2L c)3L d)4L 2. IF A GAS OCCUPIES 2 L AT 273 °C, WHAT IS THE VOLUME AT 0 °C IF THE PRESSURE DOES NOT CHANGE? a)0.5 L b)1 L c)2 L d)4 L 3. If a gas occupies 5 L at 298 K, what temperature is needed to reduce the volume to 2 L...
a sample of gas at 0.75 atm occupies a volume of 521 mL. if the temperature remains constant, what will be the new pressure if the volume increases to 776 ml ?
2) Consider a sample of gas that occupies 23.1 L at 1.13 atm. What volume will the same sample occupy if the pressure is increased to 3.05 atm while the temperature is held constant? 3) A fixed sample of gas occupies 25.9 mL at 211.3 K. What volume will the gas occupy at 336.6 K? 4) A fixed sample of gas exerts a pressure of 580 Torr at 284 K. What will the pressure be (in atm) if the temperature...
A sample of methane gas at a pressure of 1.17 atm and a temperature of 23.8 °C, occupies a volume of 15.8 liters. If the gas is compressed at constant temperature to a volume of 5.62 liters, the pressure of the gas sample will be atm. A sample of oxygen gas at a pressure of 0.976 atm and a temperature of 22.7 °C, occupies a volume of 786 mL. If the gas is allowed to expand at constant temperature until...
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).