Which element is reduced in this reaction? 2KMnO4+3Na2SO3+H2O→2MnO2+3Na2SO4+2KOH

Chemical bonds are likely to form when a. two atoms have the same number of electrons. b. an atom s outer energy level doesn t have the maximum number of electrons. c. an atom s nucleus has the same number of protons as neutrons. d.

Why is calcium oxide CaO, and not CaO2?

How can I find the atomic number and atomic mass of an element?

What is the correct order of sediment size from smaller particles to bigger particles?

Name the following compound: CH2 = CH - CH3 propyl Propane 1-propene 2-propyne

Define Percent transmittance

Express (3 x 104) (4 x 1023) in scientific notation

The theoretical yield of aspirin in a reaction is 721 g. What is the percent yield if 461 g is produced?

Nonmetal oxides can react with water to form acids. For example, carbon dioxide reacts with water to form carbonic acid: CO2 H2O H2CO3. (1) Write an equation to show how diiodine pentaoxide reacts with water to form an acid. Do not include states.

If atmospheric pressure suddenly changes from 1.00 atm to 0.892 atm at 298 k, how much oxygen will be released from 4.40 l of water in an unsealed container?