What is the difference between a law and a theory? How is this related to evidence? Do theories change?

Balance the Equation Fe3O4 + O2 = Fe3O4

What is ph of a solution

Sun earth and moon. Describe the relationship the sun earth and moon have when examining moon phases from earth and space.

How many atoms are in 8 gram of helium

What happens if you drink hydrogen peroxide?

Which piece of glassware is best suited for making accurate dilutions?

Match each equilibrium constant with the direction that the reaction is favored. question 4 options:k = 6.7 x10-4k = 325k = 1.0 x 107k = 0.0035

A rigid cylinder with a movable piston contains a 2.0-liter sample of neon gas at STP. What is the volume of this sample when it's temperature is increased to 30 degrees Celsius while its pressure is decreased to 90 kilopascal

Write a speech aimed at year 7 to explain why some metals lose their shine over time but gold does not.

How many moles of co2 could fit in a 475 ml bag at - 22c and 1.125 atm?