Helium is collected over water

  1. Helium is collected over water at 20.°C and 1.16 atm total pressure. What total volume of gas must be collected to obtain 0.597
    1. answers icon 1 answer
    2. Sam asked by Sam
    3. views icon 702 views
  2. The question says:A sample of helium is collected by displacing 182 mL of water. The pressures of the gas and the atmosphere are
    1. answers icon 1 answer
    2. Heather asked by Heather
    3. views icon 1,413 views
  3. 1. When gases are collected using displacement of water, some water vapor mixes in with the gas being collected. A student
    1. answers icon 1 answer
    2. preshi asked by preshi
    3. views icon 827 views
  4. 5.What characteristic distinguishes helium (He) from the other noble gases? Helium has a strong odor. Helium is highly reactive.
    1. answers icon 1 answer
    2. views icon 140 views
  5. What characteristic distinguishes helium (He) from the other noble gases?Helium has a strong odor. Helium is highly reactive.
    1. answers icon 1 answer
    2. views icon 131 views
  6. Help with these two please.105. A radioactive metal atom decays (goes to another kind of atom) by emitting an alpha particle
    1. answers icon 1 answer
    2. Anna asked by Anna
    3. views icon 583 views
  7. Hot water from the power station is sprayed into the cooling tower, as shown. As it falls through the air, some of the hot water
    1. answers icon 1 answer
    2. views icon 59 views
  8. If a sample of Helium gas is collected over water, what is the pressure of the dry gas alone if the total pressure is 760.0 mmHg
    1. answers icon 1 answer
    2. Jane asked by Jane
    3. views icon 873 views
  9. A sample of hydrogen gas was collected over water at 36°C and 855 mmHg. The volume of the container was 6.50 L. Calculate the
    1. answers icon 3 answers
    2. jeff asked by jeff
    3. views icon 3,216 views
  10. Helium BalloonsMalik is investigating the properties of helium. Malik finds the chart below about helium in a textbook. The
    1. answers icon 1 answer
    2. views icon 47 views