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If an aqueous solution of Co(NO3)2 has a molar absorptivity of 5.10 L/mol.cm at 505 nm. What will be the absorbance of a 0.075 M solution?
choloine atom is more electronegative than carbon so there is a bond dipole alon the Cl-C bond why then is tetrachloromethane
calculate a value for the equilibrium constant for the reaction below. hint when reactions are added together the
when companies sell compressed gas in steel cylinders they usually quote the contents as volume of gas at 1 atm
What is the relative kinetic energy between the electron and proton after ionization, that is r=infinity? C) Assume that the electron has all the kinetic energy in part
what is the proper technique to measure the temperature of a liquid in a beaker with a thermometer?
Calculate how much heat is released when 4.5 g of methane is burned in a constant pressure system. (CH4(g) + 2 O2(g> --> CO2(g) + H2O (l) ,delta H = -890 kJ.
If 156 mL of wet H2 is collected over water at 24C and a barometric pressure of 736 torr, how many grams of Zn have been consumed?
A.E. Dyer supplied 45.9 cal of heat energy to a 156-g piece of aluminum block that was kept at 28 degree C. What is the final temperature of the aluminum block?
The final volume of the balloon is 1500 mL. The atmospheric pressure is 1.00 atm. What was the original pressure of HI in the cylinder before the release of HI
You have a box of volume 1.00 liter into which you inject 2.65g of NH3 at 600K. What will be the final concentrations of NH3, N2, and H2 after equilibrium is established
Attractive intermolecular forces exist between the molecules in the gas. The effect of these attractive intermolecular forces in a real gas is to
Generate the conversion equations to calculate the degrees in Celsius, Fahrenheit and Kelvin. Hint: Freezing point of water is found at 5.5 'N
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