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Calculate the pH of the solution in a flask after 25 mL of NaOh has been added. Presume 0.413g of KPH is dissolved in 25mL of water and then titrated with 0.1M NaOH.
There is a method/experiment called the "vapor density method." Beginning with the ideal gas equation, show how the density of a vapor may be determined by this method.
The solubility of CaSO4 in pure water at 0.0 C is 1.13 gram per liter; what is the value of solubility product
when 0.120 mol of carbonis burned in a closed vessel with 6.90g of oxygen. how many grams of carbon dioxide can form??
How many moles of methane are produced when 71.1 moles of carbon dioxide gas react with excess hydrogen gas
Calculate the biological standard Gibbs energies of reactions of the following reactions and half-reactions: (a) 2 NADH(aq) + O2(g) + 2 H+(aq) ? 2 NAD+(aq) + 2 H2O(l) E? = + 1.4 V
Calculate the heat energy released when 10.3 g of liquid mercury at 25.00 °C is converted to solid mercury at its melting point. Constants for Mercury at 1 atm: Heat capacity: 28.0 J/(mol*K) Melting Point: 234.32 K Enthalpy of fusion
how many Liters of water can be made from 34 grams of oxygen gas and 6 grams of hydrogen gas at STP? what is the limiting reactant for this reaction?
Copper has two naturally occurring isotopes, the predominant one being 63Cu with an isotopic weight of 62.9296 amu and an abundance of 69.150%. What is the mass of its other naturally occurring isotope
Two substances, A and B, initially at different temperatures, come into contact and reach thermal equilibrium. The mass of substance A is 6.05g and its initial temperature is 20.9?C
Define why it is good technique to slow the addition of NaOH titrant beyond the stoichiometric point
C2H5OH(l) + C3H7COOH(l) C3H7COOC2H5(l) + H2O(l) Determine the mass of ethyl butanoate produced if 3.30 mol of ethanol is used.
Question- Iron(II) in aqueous solution can be quantities by anoxidation- reduction process using dichromate,Cr2O72-, Cr2O72-(aq) + 6Fe2+(aq) +14 H+(aq) ? 2Cr3+ (aq) + 6Fe3+(aq) +7H2O Write the balanced half reactions for the oxidation of Iron (II)..
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