Which formulas represent ionic compounds and which represent covalent compounds

The Kb of pyridine, C5H5N, is 1.5 x 10-9. Calculate the pH of a solution of 0.157 M pyridine. Work Plz. THANKS! 3 Answers C5H5N in water --> C5H5NH+ & OH- Kb = [C5H5NH+] [OH-] / [C5H5N] 1.5e-9 = [x]... Read more

1. Es ridículo que tú ______ (tener) un resfriado en verano. 2. Me molesta que mis padres no ______ (cuidar) su alimentación.. 3. No creo que Susana _____ (seguir) sobre los consejos de su médico. 4. Mi hermana se sorprende... Read more

N-F C-F Cl-F F-F 2 Answers C-F is the most polar. You can find the polarity of a compound by finding electronegativities (an atom's desire for an electron) of the atoms; Carbon has an electronegativity of 2.5, compared to Fluorine's... Read more

A) Enter the the Ksp expression for the solid AB2 in terms of the molar solubility x. Express your answer in terms of x. For example: 7*x^2. B)Enter the the Ksp expression forC2D3 in terms of the molar solubility x.... Read more

Jimmy aaja -M.I.A. 4 Answers aaja - Come. An Hinglish word (Hindi/English). Jimmy aaja, jimmy aaja. Such as in the song "Jimmy" by M.I.A look at aaja in the dictionary My indian boyfriend told me is meaning come to me,... Read more

6 Answers I have never had or heard of that particular brand, but have had several here in Canada, plus a number in the Caribbean and Asia, and there all the same, small cut hot dogs in a can, no... Read more

need q now please..... Name the major nerves that serve the following body areas:? _____ 1. Deltoid muscle _____ 2. Diaphragm _____ 3. Posterior Thigh _____ 4. Lateral leg and foot _____ 5. flexor muscles of forearm and some hand... Read more

Does this mean addressing to a crowd? Can I use this word like this: The addressal by the C.E.O. to the empployees was very informative. 5 Answers There is no word like addressal. Source(s): Oxford dictionary Addressal Source(s): https://shrink.im/baDjl There's... Read more

This has been going on for about a week... Every time I try to watch a video on Youtube from my laptop... I get instantly redirected to "gslbeacon.ligit.com." Luckily this page isn't displayed but it is really annoying and I'm... Read more

Sometimes on Family Guy when there about to take someones heart out they say, "calimar" or maybe it's spelled different. 6 Answers They say "Kali Ma" They're referencing this scene from the movie "Indiana Jones and the Temple of Doom":... Read more