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Explain how do you find the melting point of molecules? For instance to sort LiF, BeO, BN from highest melting point to lowest melting point.
What is the molar mass of a gas that occupies a volume of 1.500 L at a pressure of 356 mm Hg, a temperature of 22.5 C and weighs 0.9847g
The Ka of a monoprotic weak acid is 5.16 × 10-3. What is the percent ionization of a 0.153 M solution of this acid?
Calculate the initial rate for the formation of C at 25 degrees C , if [A]=0.50M and [B]=0.075M for reaction A+2B
Why does bromine add faster to a disubstituted double bond than a monosubstituted double bond to produce dibromides
1-consider the element with the electron configuration [Kr]5s2 4d10 5p3. this element is a) an alkali metal b) a representative element c) an actinide element e) a transition metal e) a noble gas
Using the following balanced reaction , how many mol of water are formed if 5.20 mol of Fe (OH)3 react completely. 2Fe (OH)3 +3H2SO4 --> 6H2O +Fe2(SO4)3
while mercury is very useful in barometers mercury vapor is toxic. given that mercury has a hvap of 59.11 kjmol and
1. Write the equation for saponification of of glyceryl tripalmitate 2. Write equation for hydrogenation of glyceryl trioleate.
A silver block, initially at 56.2Celcius, is submerged into 100.0g of water at 25.2Celcius, in an insulated container. The final temperature of the mixture upon reaching thermal equilibrium is 26.5Celcius. What is the mass of the silver block
The temperature outside is 15 degrees celsius, and the air pressure is 0.700 atm. Your neighbor, who released the balloon, tells you that he filled it with 4.20 moles of gas. What is the volume of gas inside this balloon
For atomic iodine, determine the degeneracy (which arises from the spin multiplicity) of the first two electronic states. Both are derived from the same S-L term symbol, using spin-orbit (J) coupling. The second state lies 7580 cm-1 above the firs..
this method requires 12 n sulfuric acid. concentrated sulfuric acid is 18 m. how was the acis for this experiment
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