Consider the reaction MnO2 + 4HCl --> MnCl2 + Cl2 + H2O

If 0.86 mol of MnO2 and 1.32 mol of HCl react, which reagent will be used up first? How many grams of Cl2 will be produced?

What is the wavelength of a wave with a velocity of 50 m/s and a frequency of 5hz a 250 m b 0.1 m c 10m d 0.01 m

What is a substance? a. a physical property of matter b. a chemical property of matter c. an element or compound that cannot be physically separated d. characteristics used to tell the difference between mixtures

What is the solubility-product constant of barium sulfate, baso4, if a saturated solution is 1.03 ´ 10-5 m?