What is a substance used to increase the rate of a chemical reaction but it itself is not used up in the process?

Discuss with a classmate some other examples of how the appearance of objects in water is different than in the air. Describe these examples below.

Which characteristics do photosynthesis and cellular respiration have common

When glucose (C6H12O6) reacts with oxygen, carbon dioxide and water are produced. The balanced equation for this reaction is: If 12 moles of oxygen react, The reaction consumes moles of glucose (C6H12O6).

Which shows the correct order of steps in the formation of coal? layers of dead plants pile up → plant matter is buried by rocks and dirt → dead plants fall in swamp → plant matter is compressed and is exposed to heat → coal formsplant matter is

Explain why subscripts cannot change when balancing a chemical equation

The summer season at Arica and Rio de Janeiro Occurs from approximately

What are the major function of the digestive system

What is a substance made of identical atoms called?

The hydroxide ion concentration in pure water at 25ºC is NOT equal to A. the hydronium ion concentration. B. 1 X 10^-7 M. C. the hydroxide concentration in a solution with a pH of 7. D. 1 X 10^7 M.

1. Why do rings stay shiny?