Artículos de esta sección

• General gas law (8316)

  17 de septiembre, por F_y_Q

  Calculate the final temperature of a gas enclosed in a volume of 2 L at 1 atm, if we reduce its volume to 0.5 L and its pressure increases to 3.8 atm.

• Application of Graham’s law: hydrogen diffusion rate (8308)

  12 de septiembre, por F_y_Q

  Determine the diffusion rate of hydrogen, knowing that the diffusion rate of oxygen is 2 minutes.

• Is ethyl alcohol a mixture or a pure substance? (8287)

  13 de agosto, por F_y_Q

  Is ethyl alcohol an element, a compound, or a mixture?

• Calculation of the density of a sphere knowing its diameter (8285)

  12 de agosto, por F_y_Q

  Determine the density of a sphere with a diameter of 6 cm, given that its mass is 250 g.

• Density of a sample of solid (4502)

  18 de abril de 2018, por F_y_Q

  A 15 mL sample of a solid is weighed, and the recorded mass is 29 g. What is the density of the solid?