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Given the following info about a 1L solution determine the final pH of the buffer after the addition of strong acid.
Initial HAc = 0.48
Initial pH = 4.95
Ka = 1.8x10-5
To the buffer was added 0.017 moles of NaOH.
3. Based upon your experimental work, how many atoms of each substance are present? (There are 6.022 * 10^23 molecules/mole)4. Even though the number of molecules can vary the conditions of pressure and temperature, the number of atoms in the gas at ..
Balance the following reaction in basic solution. Identify the reducing and oxidizing agent. Show your workS2O8 -2 + Ni(OH)2 ? SO4 -2 + NiO2
How does this affect the physical properties of the oils?
What is the maximum number of electrons that can occupy each of the following quantum numbers: (a) n=2, Ms= - half (b) n=5,I=3, Mi=-3; (d) n=4,I=0,mI=0
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54.5 grams of ice initially at -5°C is added to 475 grams of liquid water initially at 49.5°C in a thermally insulated container. What is the temperature of the water once the contents of the container reach thermal equilibrium
question calculate the energy in the form of heat in kj required to change 75.0 g of liquid water at 27.0 c to ice at
The solubility of Pb(NO3)2 is 55 gramsper 100 g H2O at 20 degrees celcius. Which term would properly describe a soloution where 44 grams of Pb(NO3)2 is added to 100 grams of water at this temperature
In going from room temperature (25.0 °C) to 10 °C above room temperature, the rate of a reaction doubles. Calculate the activation energy for the reaction.
What is the molarity of a solution made by dissolving 2.355g of sulfuric acid in water and diluting to a final volume of 50.0 mL
Legend has it that the Greek philosopher, Socrates, died after drinking a tea made from hemlock leaves. Coniine, the toxic compound found in hemlock, is calculated to have an LD50 in humans of 10 mg/kg.
what is the mass in grams of solid sulfur,S8 required to produce 25.50g of Cu2S(s) according to the balanced equation.
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