Suppose you mix two colorless liquids together and a green solid settles to the bottom of the container. explain why you might be confident that a chemical change has taken place.

In a soda-acid fire extinguisher, concentrated sulfuric acid reacts with sodium hydrogen carbonate to produce carbon dioxide, sodium sulfate, and water. a. how many moles of sodium hydrogen carbonate would be needed to react with 150.

Energy travels in waves true or false

Find the volume of a cube of zinc with the following dimensions 3.000 cm 3.1 cm 2.99 cm

State the two general patterns of the global ocean circulation

suppose a 375-ml sample of neon gas at 78 c is cooled to 22 c at constant pressure. what will he the new volume of the neom sample

Why is NH3 considered a weak base?

List of 10 strong bases and acids?

When does cell growth occur

What is state symbols

Is it possible to decrease resistance of the wire without changing the material it's made out of?