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if the freezing point of a 0.107 m CH3COOH solution is -0.200°C, calculate the percent of the acid that has undergone ionization.
Calculate the enthalpy change for the production of 200 L of hydrogen at 500 torr and 338.15 K for reaction : C(s) + H2O (g) --> CO (g) + H2 (g)
Why is it important to rigorously exclude moisture when performing a Grignard reaction
Molecular Mass by Freezing point Depression (Preliminary Lab).
Determine what mass of hydrogen is required to form 624g of methanol by the reaction CO+2H2->CH3OH.
How many grams of F2 are needed to produce 158 g of PF3 if the reaction has a 79.8% yield?
Calculate delta E for the combustion of a gas that releases 195.0 kJ of energy to its surroundings and does 54.5 kJ of work on its surroundings.
A gas has a volume of 50.0 cm3 at a temperature of -73 C. What volume would the gas occupy at a temperature of -123 C if the pressure stays constant?
If the caffeine concentration in a particular brand of soda is 3.35 mg/oz, drinking how many cans of soda would be lethal?
At 25 C, the standard hydrogen electrode (SHE) has a half-cell potential that is defined to be 0.00 volts. If the pH is increased at this electrode (keeping everything else the same), at what pH will the half-cell potential be equal to -0.337 volt..
Calculate the energy of a photon emitted when an electron in a hydrogen atom undergoes a transition
Given the following reaction, if 32.5 g of Cl2 reacts completely with excess P, how many g of PCl3 will be produced. 2 P + 3 Cl2 --> 2 PCl3
aluminum has the mass of 8.37g. when it is placed in a graduated cylinder containing 20.0mL of water, the water level rose 23.1mL. calculate the density and specific gravitas of the object.
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