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Calculate the pH for each of the following cases in the titration of 50.0 mL of 0.220 M HClO(aq) with 0.220 M KOH(aq). The ionization constant for HClO (4*10^-8)
How many grams of manganese may be formed by the passage of 32,349 C through an electrolytic cell that contains an aqueous
Compute the free energy change needed for transport of sufficient protons to make gastric juice of 1 litter at the temperature of 37 degree celsius hence expect above reaction will happen spontaneously?
Identical containers Ar, CO2, He, and Cl2 at the same temperature and pressure. Which has the lowest density?
How many moles of HNO3 are present in 35.0 mL of a 4.50 M solution of nitric acid?
what is the volume of 1 mole of Helium gas when the pressure is 1.47 atm and the temperature is 287 K.
How many liter of hydogen are required to react with 1.9 l of Oxygen to make water at STP according to Avogadro's law.
If a sample of sodium is dropped into a container of water the reaction is:
1) Prions are smaller than viruses, which are affected by radiation. 2) Prions do not contain genetic information, which is affected by ionizing radiation.
A sample containing 0.00200 mol sample of Ca(OH)2 requires 10.00 mL of aqueous HCl for neutralization according to the reaction:
Change in heat content We write H = Hfinal - Hinitial or for chemical reactions H = Hproducts - Hreactants Given this equation, What sign is H for exothermic reactions? What sign is H for endothermic reactions?
The solubility of strontium fluoride (SrF2) in water is 111.5 mg/L. What is Ksp for strontium fluoride (molar mass = 125.62 g)?
How much PV work is done and what is the value of total energy change (in kilojoules) for the reaction of 0.50 mol of H2 with 0.25 mol of O2 at atmospheric pressure if the volume change is -5.6L?
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