A gas contains 92.32% C and 7.68% H. if 10.0L of the gas at STP weighs...
what is the denisty in g/L STP if the gas in a 1.00L bulb weighs 0.672g of 25 celsius and 733.4 mmhg pressure? please show the work.
2. A sample nitrogen gas has a volume of 1.00 L at STP. What is the temperature in °C if the volume is 10.0L at 2.00 atm?
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law? Which sample contains more molecules: 2.0 L of Cl2 at STP or 3.0 L of CH at 300K and 1150 mmHg? Which sample weighs more? Which sample contains more molecules: 2.0L of CO2 at 300 K and 500 mmHg or 1.5 L of N2 at 57 °C and 760 mmHg? Which sample weighs more? 8.78 8.79 8.80 If 2.3 mol of He has a volume of 0.15 L at 294 K, what is in atm? In psi?...
A sample of O2 gas weighs 52.0 grams. If the gas is at 25 degrees celsius and a pressure of 2.33 atm, what is a volume of the gas in liters?
POST-LABORATORY QUESTIONS (Show your calculations). 1. A sample of gas weighs 3.10 g and occupies a volume of 1.272 ml at 30 °C and 720 mm Hg. What is the molar mass of the gas? 2.3 moles of hydrogen occupy a volume of 67.20 L, at standard temperature and pressure (STP. 0 °C and 760 mmHg). What is the density of hydrogen at STP? 3.2.5 moles of gas, at 1590 mmHg, occupy a volume of 28.00 L. What is the...
1. A 355-gallon tank contains 103 kg of H, gas at 25.20 "C. What is the pressure in sm) inside the tank? (Finalwer931 am) 2. A sample of Ne gas in a cylinder with a movable piston occupies 0 Soliers when the external pressure is 201 tm. The external pressure is decreased to 0.986 m. Predict whether the volume will increase, decrease or stay the same. Calculate the new volume. (Final answer IDL) 3. A sample of O, gas in...
9. A sample of a diatomic gas occupies a volume of 24.8 L at 25°C and 1 bar, and has a mass of 28.0 g. What is the molecular formula of the gas?
question 5.77
5.77 A sample of argon (Ar) gas occupies 65.0 mL at 22'C 750 torr. What is the volume of this Ar and gas sample at STP 5.78 A sample of 02 gas occupies 257 mL at 20°C and 1.20 atm of this O at STP? 570 Calculate the pressure, in atmosphere, of 7.0mof a monoxide stored in a 30.0-1..container at 65 5.71 Calculate the volume of 44.0 g of cartbo on at STP Calculate the volume of 44.0...
Need help answering all questions; 7,8,9,10,11,12, and 13. Thanks
7. How many mole of nitrogen gas will occupy a 5.00 L container at STP? 8. A sample of hydrogen sulfide gas at 760 torr and 25 deg C in a 2.00 L container is allowed to expand into a 10.0 L container at 25 deg C, What is the pressure of the gas in 10.0 L container? 9. Calculate the volume of 2.00 g of sulfur dioxide at STP? 10....
13-18 please
D Question 13 If the number of moles of gas initially contained in a 2.10 L vessel is tripled, what is the final volume of the gas in liters? 06.30 O 4.20 None of the proposed answers O 8.40 0.525 Question 14 If the volume of a confined gas is quadrupled while its temperature remains constant, what change will be observed? The pressure of the gas will quadruple The average velocity of the molecules will quadruple The density...