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What is the number of bond pairs and shapes of C2H4, C2H6, and COS?
25g of sodium bicarbonate is weighed on a triple beam balance and 3.0M hydrochloric acid is squirted. Do you break up the sodium bicarbonate
Assume ideal gas behavior and that the heat capacity is not temperature dependent
Organic chemists rely heavily on the spectroscopic methods of IR and NMR. Explain in great detail why the two methods have to be used in tandem to
calculate the ph of a buffer made with 0.50m phosphoric acid and 0.75m sodium dihydrogenphosphate. ka 7.5 x
What information is required in order that you are able to diagram an atom?
A 4.50-g sample of LiCl at 25 C dissolves in 25.0 mL of water also at 25 C. The final equilibrium temperature of the resulting solution is 60.8 C. What is the enthalpy, change of enthalpy, of LiCL expressed in kj per mole?
What is the single-particle collisional frequency (for diatomic Nitrogen)at sea level, with 341 and 1.0 atm? The corresponding single-particle collisional frequency is reported as 10^10 s^-1.
How much heat is released when 25mL of 0.10 M NaOH reacts with 50 mL of 0.10 M HCl?
In a tripeptide of Lys-Glu-Arg, would you predict that the pKa of the middle Asparate to be lower, higher, or unchanged
If it takes 75.0 min for the concentration of a reactant to drop to 20% of its initial value in a first-order reaction, what is the rate constant for the reaction?
3.10 percent of the Br2 undergoes dissociation. Calculate the equilibrium constant Kc for the reaction.
A piece of ice weighs 35.0 g. how much energy is required to heat the ice from a solid at -5.0 degrees C to liquid water at 65.0 degrees C?
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