Is evaporation of water a physical change or a chemical change? explain your answer?

Consider the following equilibrium: O2 (g) + 2F2 (g) ↔ 2OF2 (g); Kp = 2.3*10-15 Which of the following statements is true? a.

What is the formula of the most stable oxide of francium?

Assume you have a syringe that is closed at the end. What would happen to the gas in the syringe if you pushed down on the plunger?

For water to become a mechanical weathering agent through ice wedging, it needs to go through a cycle of freezing and thawing. True False

5. What do you think earth would be like if the continental drift never took place?

Which is the correct formula for phosphorus pentachloride? PCl4 because a subscript of 4 indicates four Cl atoms PCl5 because a subscript of 5 indicates five Cl atoms P5Cl because a subscript of 5 indicates five P atoms P5Cl3 because a subscript of

Why are the elements in groups 3 to 12 often used to make dyes?

What is not needed for corrosion of metals? a. oxygen c. water b. ions d. sunlight

What force can move the oceans

How many moles of NO3 are there in 6.2g