How would I convert grams into moles, and vice versa? Please make is as simple as possible! Thanks!
I've had this explained to me in class, but I just don't get it. Is there a simple way to learn it? Thank you!
how many moles of phosphorus are in a mixture containing 4.0x1023 molecules of PCL3?
The reversible chemical reaction: A+B<->C+D has the following equilibrium constant: Kc=[C][D]/[A][B]=4.1. (a) Initially, only A and B are present, each at 2.00 M. What...
Part A. Phosgene (carbonyl chloride), COCl2, is an extremely toxic gas that is used in manufacturing certain dyes and plastics. Phosgene can be produced by reacting carbon monoxide and chlorine gas...
If I takes 4.67 times as long for a particular gas to effuse as it takes hydrogen under the same conditions, what is the molecular mass of the gas? (Note that the rate of effusion is inversely proportional...
For the reaction: CO(g)+NH3(g)<->HCONH2(g) The equilibrium constant is: K=0.207 at 400 K. If a reaction vessel is filled with initial concentrations 2.15M of CO and 2...
At what temperature would CO2 molecules have an rms speed equal to that of H2 molecules at 25 degrees C?
How many grams of Mg(OH)2 will be needed to neutralize 25 mL of stomach acid if stomach acid is 0.10 M HCl?
How many grams of Mg(OH)2 will be needed to neutralize 25 mL if stomach acid if stomach acid is 0.10 HCl?
Working on electeomagnetic wavelengths in class. This is so confusing....... My teacher explained it to a point, but im still not understanding. Help me please!!!
it is a true or false question
You have 95 mL of a solution that has a lead(ll) concentration of 0.0012 M. Will PbCl2 precipitate when 1.20 grams of solid NaCl is added?
This is a solubility problem and I am a little confused on how to set it up.
in chemistry how does an arom move arund the nucleaus
Since polyatomic ions naturally have subscripts with them, then do we ignore them when trying to balance a chemical equation?
what is ions? explain!
Calculate the density of Helium, He, in grams per liter at 21 degrees C and 752 mmHg. The density of air under these conditions is 1.188 g/L. What is the difference in mass between 1 liter of air...
A vessel containing 39.5 cm3 of helium gas at 25 degrees C and 106kPa was inverted and placed in cold ethanol. As the gas contracted, ethanol was forced into the vessel to maintain the same pressure...
Ca(OH)2+H3PO4->Ca3(PO4)2+HOH This one's a bit difficult to figure out. Thanks!
Help me calculate the lattice energy for K3N please.