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Given the reaction: 2Al + 3H2SO4 -> 3H2 + Al2(SO4)3 what would be the total number of moles of H2SO4 needed to react completely with 5.0 moles of Al ?
A 115 mL sample of a 11.0 M ethylene glycol (rm C_2H_6O_2) solution is diluted to 1.40 L.What is the freezing point of the final solution? (Assume a density of 1.06 g/mL for the final solution.)
A certain first order reaction has a rate constant of 0.0215 s-1 at 24 degrees C. What is the value of rate constant at 70 degrees C if Ea=90.0 kJ/mol.
An electron traveling at the velocity of 3.7 105 m/sec has an uncertainty in its velocity of 2.34 105 m/s. determine the uncertainty in its position?
You have 170. mL chlorine trifluoride gas at 669 mmHg and 45°C. What is the mass (in g) of the sample?
Water's bad smell containing hydrogen sulfide H 2 S that can be removed by the action of Cl considering the given reaction.
Assemble the alcohols (have the formula of C4H10) in the order of increasing reactivity with concentrated HCl.
Explain Pressure of dry butane gas, Chemistry lab write up and I have to determine the pressure of the dry butane gas.
A 50.0 L cylinder of Ar has a pressure of 137 atm at 25 C. What mass of Ar is inside the cylinder?
a sample of propane, contains 17.7 moles of carbon atoms. How many total moles of atoms does the sample contain.
What is the molarity of a sulfuric acid solution if 40.2 mL of this solution is required to titrate 6.50 grams of sodium hydrogen carbonate?
Using the information below, calculate the mass of benzene in each phase and find the total mass of benzene at the site.
How many kilograms of chalcopyrite must be mined to obtain 290. g of pure Cu ?
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