chemistry

posted by .

How many grams of methane gas were used to fill a baloon to a volume of 3.0 L at STP?

  • chemistry -

    Use PV = nRT and solve for n, then m = grams/molar mass and solve for grams.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. College Chemistry

    HELP ME PLEASE! 1. Calculate the weight of 16.2L of pure SO2 gas at STP. (answer in grams) a.16.2 b.31.8 c.39.5 d.46.3 e.64.1 2.A volume of 725mL of a gas is collected at 105Celsius and 745torr. The gas weighs 1.93 grams. What is the …
  2. Physics

    a tank of helium gas used to inflate toy baloons is a pressure of 15.5 x 10 Pa and a temp of 293 k. The tank's volume is 0.020 m. How are a baloon would it fill at 1.00 atmosphere and 323 k
  3. chemistry

    A sample of methane gas, CH4, was collected over water at 25.0ÂșC and 800 torr. The volume of the wet gas is 4.36 L. What will be the volume of the dry methane at standard pressure?
  4. chemistry

    i reallly need help with combining the gas laws. here are a few questions i am struggling with if anyone could please help! 1. A steel container holds 750.L of O2 gas at STP. a) how many moles of O2 does the container hold?
  5. chemistry

    a balloon has 1.2l of a gas is at 1.1 atm.What will be the volume of the baloon if the baloon is placed in a partial vacuum with a pressure of 0.35atm?
  6. chemistry

    A gas mixture is composed of 4.3 grams of hydrogen (density at STP = 0.089 g/L) and 2.9 grams of helium (density at STP = 0.179 g/L). What is the percentage (v/v) helium in the mixture?
  7. chem

    Show work 1. How many moles of oxygen will occupy a volume of 2.50 liters at 121.6 kPa and 331 K?
  8. chemistry

    Whenever organic matter is decomposed under oxygen free conditions, methane is one of the products. Thus enormous deposits of natural gas, which is almost entirely methane, serve as a major source of fuel for home and industry (dHrxn …
  9. Chem

    A gas is used to fill a container up, there are 17.8 moles. What will be the new volume of the gas in the container at STP?
  10. Chemistry

    What volume of O2 gas at STP is required to burn 32g of methane gas completely?

More Similar Questions