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How many Joules of energy are stored in 1 pound (454 g) of sucrose? (Assume: Pressure = 1 atm, Temperature = 25°C; the respective ?Hf° for the reactants and products can be found in the thermodynamic table linked above. Show your calculation
If I add 1.65L to 112g of sodium acetate what is the molality of sodium acetate in the solution
To the organic chemist, infrared (IR) spectroscopy is especially useful in the determination of the structure of a new compound because it provides information about
Consider a certain type of nucleus that has a rate constant of 2.92 s 10^-2min^-1. Calculate the time rquired for the sample to decay to one-fourth of its initial value.
After i titrated the weak acid with the strong base i plotted my point and found the equivalence point to be V=7.82 mL and a ph of 8. SO moles of acid is = to moles of base at equivalence point so moles was determined to be 0.0004012 moles and the..
If 100.0J of energy are added to 25.0g of water at 50 degrees celcius,what will the final temperature of the water be?
Suppose that a sample of gas occupies 192 mL of volume at 25C and a pressure of 206 torr. What would be the volume if the pressure were changed to 506 torr at 25C.
Assuming the density of the solution is 1.00 grams/mL, what is the molar mass of the enzyme?
Draw CI by placing atoms on the grid and connecting them with bonds. Do not identify the charge on each of these species. Include all lone pairs of electron.
What is the hydronium-ion concentration of a 0.40 M solution of HCN (Ka= 4.9×10-10) at 25° C?
In which compound does sulfur have the highest oxidation number a)Na2S2O3 b)NaHS c)H2S d)KHSO3 e) CuSO4
List these compounds in order of increasing molar solubility in water show your calculations.
What is the expected Nernst equation, in mV, for each decade change in the hydrogen ion concentration for a glass elecrode
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