A redox reaction always involves

A. a change in oxidation number

B. a change in phase

c. the transfer of protons

D. the formation of ions

Archimedes used what method to find the volume of the golden crown?

24 Which reaction produces ethanol? (1) combustion (3) fermentation (2) esterification (4) polymerization

The rate of effusion of oxygen to an unknown gas is 1.49. what is the other gas?

Whate is the structure of TAG and DAG?

Which of the following steps will speed up the reaction between coal and oxygen? Keep the coal in a wide dish Decrease the temperature of oxygen Increase the temperature of coal Keep the coal in a narrow test tube

Which one of the following Acids is most likely to hurt you? Acid A: 1.0 M; Acid B: 0.0001M

Which statement accurately describes the atoms of a specific element? explain your answer in complete sentences. A. A Neon, Ne, atom contains 10 electrons outside the nucleus and 11 neutrons inside the nucleus. OR B.

What is the volume of 2.00 moles of chlorine (cl2) gas at stp, to the nearest tenth of a liter?

A reaction of 12.640 g of copper oxide with 0.316 g hydrogen produces 2.844 g of water and Xg of copper. X=_9

If i burn steel wool inside a closed jar or bottle will the oxygen be completly gone