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Calculate the work done when 25.0 g of tin dissolves in excess acid at 1.00 atm and 29°C. Assume ideal gas behavior.
The flask was removed, was quickly cooled to condense the volatile liquid, dried and weighed. The mass of the flask and the volatile liquid is 34.743 grams
The first atomic explosion was detonated in the desert north of Alamogordo, New Mexico, on July 16, 1945. What fraction of the strontium-90 (t1/2 = 28.8 yr) originally produced by that explosion still remained as of July 16, 1993?
The high-field:low-field integration ration is 2:1. Deduce the structure of the organic hald and explain the NMR signals. I'm thinking it's 1,1-dichloropropane.
The molecular weight of NADH is 663.43g ans it's absorbance coefficient is 6220 M^-1 cm^-1. How much of your solution do you have to dilute to obtain the desired concentration not exceeding volume of 1mL?
calculate the molarity and mole fraction of acetone in a 1.82 molality solution of acetone in ethanol. density of
Grams and centimeters in the metric system have been defined so that the density of water at 3.98 C is exactly 1. At 20 C, the density of water is 0.9982 g/ml. What percent error results from the assumption that the density of water is 1.000 g/ml ..
A piston has an external pressure of 5.00 atm. How much work has been done if the cylinder goes from a volume of 0.130 liters to 0.540 liters.
The expresssion for the freezing point depression of a solution relative to that of the pure solute is shown above. From solutions of known concentrations of p-dichlorobenzene in cyclohexane, you determine Kf, the freezing point depression constan..
The half life of oxygen-19 is only 29 seconds. Lets say we somehow instantly make a Liter of O-19 in a reactor. So at t = 0 we have 1 Liter of this isotope. What fraction of the O-19 isotope would be present after 5 seconds?
calculate the energy levels of the pi-network in octatetaene c8h10 using the particle in the box model. to calculate
If 26mL of 5.2M H2SO4 was spilled, what is the minimum mass of NaHCO3 that must be added to the spill to neutralize the acid? 2NaHCO3+H2SO4=Na2SO4+2H2O+2CO2
Assuming these values change very little with temperature, over what temperature range is the reaction spontaneous in the forward direction
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