General Chemistry Answers

Explain with a suitable example the kappa convention for naming coordination compounds. 

What is the correct balanced equation for ethane burning with oxygen to make carbon dioxide with water

 Xenon crystallizes in a FCC unit cell. If we assume xenon has a radius of 186.9 pm, what is the density of xenon in g/cm³ ?

Ammonia is produced from its elements in a formation reaction. If 7.96 x 10²⁴ molecules of ammonia are produced, how many moles of nitrogen were used?

Chloracetic acid is a stronger monoprotic acid than acetic acid. In a 0.10M solution of this acid, the pH was 1.96. Find the Ka. (Hint: you can use the general formula HA to represent chloroacetic acid)

Periodic acid, HIO4, is an important oxidizing agent and a moderately strong acid. In a 0.10M solution of this acid, [H+ ] = 3.8 x 10^-2 mol/L. Calculate the Ka.

What is the reducing agent in this reaction MnO4− + SO2 → Mn2+ + SO42−

A. SO42−

B. SO2

C. Mn2+

Identify the elements oxidized and reduced in this reaction.

2ClO− + H2 + 2e− → 2Cl− + 2OH−

A. Cl is oxidized; O is reduced

B. Cl is oxidized; H is reduced

C. H is oxidized; Cl is reduced

Ammonia is produced from its elements in a formation reaction. If 7.22 x 10²⁴ molecules of ammonia are produced, how many mole of ammonia was produced?

Ammonia is produced from its elements in a formation reaction. If 8.38 x 10²⁴ molecules of ammonia are produced, how many moles of nitrogen were used?