A sample of CH4 is burned in an excess of O2 to give 3.0 moles of H2O. How many moles of Ch4 were in the original sample

Which of the following signs of a chemical reaction are observed in the reaction of potassium with water? precipitate formed temperature change smell produced gas produced color change

How have the greenhouse gasses increased from the year 2000 to 2018

Select all that apply. using a value of ksp = 1.8 x 10-2 for the reaction pbcl2 (s) pb+2(aq) + 2cl -(aq). the concentration of the products yield a ksp of 2.1 x 10-2: