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Chemistry
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Describe one method of producing oxygen gas.

Decomposition of Hydorgen peroxide solution, H2O2, using Manganese (IV) oxide as a catalyst. Effervescence is observed as the oxygen gas is evolved and the gas can be collected by di...

Answered by Georgiana I. Chemistry tutor
2139 Views

Give the essential conditions of the manufacture of sulfuric acid by the contact process.

-Temperature of 450°C

  • Pressure of 2 atm

  • Vanadium(V)oxide catalyst.

Answered by Georgiana I. Chemistry tutor
3690 Views

Write ionic half-equations for the reactions at the electrodes in aluminium extraction.

Al3+ + 3e- → Al 2O2- → O+ 4e-

Answered by Georgiana I. Chemistry tutor
2197 Views

Explain, in general, how a catalyst works

A catalyst is a material that can speed up a reaction, but reamins chemically unchanged at the end of the reaction. A catalyst works by providing the reactants an alternative rout...

Answered by Chung L. Chemistry tutor
9255 Views

What kind of compound is NaCl and why?

Na is a group 1 metal and Cl is a group 7 non-metal so they form an ionic bond.

Answered by Ozlem A. Chemistry tutor
5835 Views

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