Which of the following contains polyatomic ion?

Oa

BeHCO

Ob

PCI

Ag!

Mgs

KClO3 - - - > KCl + O2 Balance the decomposition chemical reaction. A) KClO3 - - - > KCl + O2 B) 2KClO3 - - - > KCl + 3O2 C) 2KClO3 - - - > 2KCl + 3O2 D) 2KClO3 - - - > 2KCl + 6O2

Is (ch3) 3N an acid, if s what kind strong, weak? or a base?

Examine the sets of bonds given in the choices. which one arranges the bonds in order of increasing (shortest to longest) bond length? examine the sets of bonds given in the choices.

What proves to be Paris's fatal flaw? a. inability to understand poetic language and double-meanings b. mediocre looks c. his desire to defy social conventions d. his fiery temper and desire for violence

The two covalent bonds in a water molecule are polar because a. oxygen is more electronegative than hydrogen. b. oxygen and hydrogen have similar electronegativities. c. oxygen is less electronegative than hydrogen. d. water is a small molecule. e.

Which quality can vary among atoms of the same element

16. In a reaction that has reached equilibrium, a. The forward and reverse reactions are occurring at the same rate. b. The reactants and products are in equal concentrations. C. The forward reaction has gone further than the reverse reaction. d.

The reaction below has E0 = 0.28V. What is K? Co (s) + 2H + (aq) = Co2 + (aq) + H2 (g)

What type of chemical reaction is NH3

In this experiment, 1-2 mL of saturated sodium chloride is used to transfer the crude product after the initial distillation. Why is saturated sodium chloride, rather than pure water, used for this procedure?