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Calculate the volume of each of the following gas samples at STP 8.1 mol c2h2, .255 mole ci,0440 mol co2, 24.1 mol n2o in L
what is the name and formula for a compound with a composition percent of 77.7% Fe, 22.3% O and a molar mass of 71.85
with 8 g of methane and 10g ammonia how much hydrogen cyanide will be formed?
You are looking for a range so you need to find the Ksp of the first test tube that did not have precipitate and the last test tube that had precipitate.
Calculate the change in enthalpy of HCl + NaOH--> NaCl + H2O for this reaction using Hess's Law. Units should be kJ/mol.
A 500.0 mL sample of 0.200 M sodium phosphate is mixed with 400.0 mL of 0.237 M barium chloride. what is the mass of the solid produced
a gas has a volume of 590mL at a temperature of -55.0 C. what volume will the gas occupy at 30.0C?
calculate the gasphase proton affinity of NH3. The lattice energy of NH4Cl may be estimated from Kapustinskii's formula using rN-Cl = 3.50 Å.
Which solvent displayed the strongest propensity to encourage keto-enol tautomerization. CHCl3, DMSO, CH3OH? Or does this propensity more closely follow the type of solvent it falls under (such as nonpolar, polar aprotic, or polar protic).
Erythromycin is a weak base that has a pkb of 5.20. Twenty-five ml of 0.30 M solution of erythromycin is titrated with 0.35 M nitirc acid . Calculate the pH in each of the following additions of acid.
If 200 ml of gas at 400 torr is transferred to a 20.0 ml cotnainer. What will the new pressure be if the temperature is kept constant?
The question is that Iron can be determined spectrophotometrically after reaction with a ligand that results in a highly colored complex. In one determination, iron is reduced with hydroquinone to ensure it is all in Fe2+ oxidation state.
What is the net ionic equation for the reaction that occurs when small amounts of hydrochloric acid are added to a HOCl/NaOCl buffer solution
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