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A particular voltaic cell operates on the reaction below, giving an emf of 0.865 V. Calculate the maximum electrical work generated when 20.0 g of zinc metal is consumed. Zn(s) + CI2(g) ? Zn2+(aq) + 2 Cl ?(aq)
what must be happened to the extent of interaction for a much longer hydrocarbon chain like cetane (for example) while Considering that octane molecules are hydrocarbon chains?
A balloon ?lled with helium gas has a volume of 434 mL at a pressure of 1 atm. The balloon is released and reaches an altitude of 6.5 km, where the pressure is 0.5 atm.
Ascorbic Acid (Vitamin C) is diprotic acid (Ka1= 8.00x10^-5 and Ka2= 1.60x10^-12). What is the pH of a 0.250M solution of ascorbic acid?
Calculate the volume of 1.0 x 10-4 M CV+ solution that needs to be added to a 25.0 mL volumetric flask and diluted with deionized (DI)
Water gas a mixture of h2 and co2 is a duel made by reacting steam with red hot coke ( a by product of coal distillation):
What is the oxidizing agent?
What fraction of the spherical atomic volume is occupied by the nucleus? What fraction of this atom's mass is contributed by its nucleus?
A solution containing 29.95 mg of an unknown protein per 29.0 ml solution was found to have an osmotic pressure of 3.30 torr at 32 degrees C. What is the molar mass of the protein?
How many moles of NaOH were required to neutralize the amount of KHP in Part b. d) What is the concentration of the NaOH solution?
If one were to perform carbon dating on living clams instead of getting a zero age ( they are in fact living) one would get an age of approximately 400 years old for these living clams.
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?
The mass of a golf ball is 45.9 g. If it leaves the tee with a speed of 61.0 m/s, what is its corresponding wavelength?
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