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A gas occupies 12.3 liters at a pressure of 0.050 atm. What is the volume when the pressure is increased to 0.080 atm
a compound with the empirical formula ch2o was found to have a molar mass between 89 and 91 g. what is the molecular
The water level in the Carbon dioxide collection cylinder is higher than the water(H2O) level outside the cylinder.Is the wet carbon dioxide gas pressure greater or less than atmospheric pressure.
What is the electron configuration of the atom in the third row of the periodic table that has the smallest ionization energy?
What are the bond angles in a model of CCl4 a) less than 109.5 degrees b) 109.5 degrees c) less than 120 degrees but greater than 109.5 degrees d) 120 degrees
With a solution in them connected by a liquid salt bridge junction filled with KNO3. In one solution you have a graphite electrode that is connected with a wire to a copper electrode in the second soution. The soution in contact with the graphite ..
The iron-chromium voltaic cell utilizes the following reaction with a measured potential of 0.30V. What is the standard change in G
if the height of the mercury column in the leveling bulb is 30mm greater than that in the gas buret and the atmospheric
What is the IUPAC name for Hydrogen Chloride. I need to find all of the specificaions, CAS number, ect, and I can not find this compound anywhere in the CRC handbook of chemistry and physics.
Sodium fluoride is added to many municpal water supplies to reduce tooth decay. Calculate the pH of a 0.00339 M solution of NaF at 25 degrees
what is the molar mass of gas if 0.250 g of the gas occupies 215 mL at 61 8mmHg and 30. 0C
If you have 300.0 mL of water at 25.00 degrees C and add 130.00 mL of water at 95.00 degrees C, what is the final temperature of the mixture? Use 1.00 g/mL as the density of water.
Consider the following thermochemical equations : 8Mg(s) + Mg(NO3)2(s) ? Mg3N2(s) + 6MgO(s) ?H°rxn = -3884 kJ Mg3N2(s) ? 3Mg(s) + N2(g) ?H°rxn = +463 kJ 2MgO(s) ? 2Mg(s) + O2(g) ?H°rxn = +1203 kJ Use the above equations to calculate the ?H°f (in k..
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