A compound has a molar mass of 26g/mol and an empirical formula of CH. What is the molecular formula?

A. C3H3

B. C4H4

C. CH

D. C2H2

What happens to a polar molecule when the electric field is turned on? make sure to spin the molecule several times while making observations. what if the molecule is nonpolar?

Which of the following statements about ice melting is true? A) Energy flows from the ice to its surroundings. B) Water molecules move from their fixed positions. C) Water molecules lose energy.

Many extrusive volcanic rocks contain holes which have formed from

Which of the following is a chemical property of water at 4 c

If you have 3.50 moles of hydrogen and 5.00 moles of nitrogen to produce ammonia, how much ammonia (in grams) is produced? 3H2 + N2 - - > 2NH3

An atom in the excited state can have an electron configuration of

4fe (s) + 3o2 (g) →2fe2o3 (s) how many grams of Fe2O3 are produced when 12.0 of iron rusts

Chromium 6 is commonly referred to as?

How does a parallel circuit differ from a series circuit? A. A parallel circuit had one path for electrons, but a series circuit has more then one path. B. A series circuit has one path for electrons, but a parallel circuit has more then one path. C.

Which of the following is an example of potential energy? -none of the above -A person jumping on a trampoline -a book on the shelf -A person running in place