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Find the activity coefficient of H+ in a solution containing 0.010 M HCl plus 0.040 M KClO4
The standard molar heat of fusion of ice is 6020 J/mol. Calculate q, w, and E for melting 1.00 mol of ice at 0C and 1.00 atm pressure.
Assuming that the copper and lead are pure, determine the relative amounts of each kind of BB. A bag contains a mixture of copper and lead BBs
How many grams of O2 will dissolve in 1.75L of H2O that is in contact with air where partial pressure of O2 is 0.209atm?
A 4.78-g sample of aluminum completely reacts with oxygen to form 6.67 g of aluminum oxide. Calculate the mass percent composition of aluminum in aluminum oxide
moles of an ideal gas at 300K are expanded isothermally from an initial P of 4 atm to a final P of 1 atm. Calculate q, w, DeltaU, DeltaH for the process.
An injection containing 10.0pg 10 5 B was injected into a patient suffering from a brain tumor. The patient was irradiated by a neutron gun at the site of the tumor.
The chemical 5-amino-2,3-dihydro-1,4-phthalazinedione, better known as luminol, is used by forensic scientists in analyzing crime scenes for the presence of washed-away blood.
Sulfuric acid is a component of acid rain formed when gaseous sulfur dioxide pollutant reacts with gaseous oxygen and liquid water to form aqueous sulfuric acid.
An investment company whose stock trades based on supply and demand in the market rather than at net assets value
If it takes 66.8 min for the concentration of a reactant to drop to 20.0% of its initial value in a first-order reaction, what is the rate constant for the reaction in the units min-1?
If 0.500 g of antacid was added to 50.00 mL of 0.100 M HCL and 5.65 mL of 0.100 M NaOH was required to titrate the un-neutralized HCL, calculate the actual neutralizing capacity of the antacid in mmol H+ per gram.
How many grams of F- should be added to give 1.6 ppm? Fluoride is provided by hydrogen hexafluosilicate, H_2SiF_6. How many grams of H_2SiF_6 contain this much F-?
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