Is the atomic number the lesser or the greater of the numbers for each atom on the periodic table?

What is le chateliers principle?

4Fe+3O2-->2Fe2O3. How many moles of fe2o3 are produced from 0.5 moles of o2? A. 0.33 mol B. 0.75 mol C. 0.38 mol D. 0.67 mol

10. What is the velocity of a wave with a frequency of 6 Hz and a wavelength of 2 m?

If more sugar were added to the solution on the left side of the tube, what would happen to the water level on the right side of the tube?

A commonly used acid indicator is.

Calculate the voltage if the current is 0.5 A and the resistance is 2.0 Ω.

Moseley's changes to the periodic table were based mainly on what part of the scientific process

Which of the following precautions is important when using a Bunsen burner or Meker burner? a. Set up your work space so that wires and cables cannot accidentally make contact with the flame or hot glassware and meltb.

What explains the fact that no machine is 100 percent efficient? A. Friction transforms mechanical energy into thermal energy. B. Thermal energy is transformed into mechanical energy by friction. C.

For each example of a phase change, identify whether heat is absorbed from the surroundings or released into the surroundings. A popsicle melts on a hot day. Rubbing alcohol evaporates from the surface of the skin.