What is the Name of the Physical Change that occurs in each of the Following Instances? a. Oxygen is cooled from -150°C to -200°C

b. Iron is cooled from 1600°C to 1500°C

c. Mercury is heated from -130°C to -100°C

Match the acid base pairs by arranging the acid name with the conjugate base formula. hydrogen carbonate hydrogen phosphate carbonic acid read water sulfuric acid phosphoric acid a. co32- b. hso4- c. hco3- d. po43- e. h2po4- f. oh-

When you mate two plants together the terms is called? answer it fast as possible plz! i have a test tomorrow!

How are isotopes of the same chemical element alike? how are they different?