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100 ml of 1 M acetic acid (pKa 4.76) are placed in a flask. what is the ph if 2mL of 1 M KOH are added, and the total volume is adjusted to one liter with water.
The molar heat capacities of iron and gold are 25.19 J/(mol c) and 25.41 j(mol c). what is the final temp of the water and the pieces of metal
What is the latent heat of vaporization Tsat in kJ/mol? (Answers are 1366 kW and 28.4 kJ/mol) Please show work for good rating.
If the atom 213/ 82Pb undergoes decay by emitting two beta particles and an alpha particle, the atom's new identity is: 1) Platinum-209 2) Mercury-211 3) Lead-209 4) Lead-211
A sealed balloon is filled with 2.20 L helium at 23°C and 1.00 atm. The balloon rises to a point in the atmosphere where the pressure is 190. torr and the temperature is -35°C
A sample containing 0.187 g Cl- is dissolved in 50.0 mL water. How many moles of Cl- ion are in the solution? What is the molarity of Cl- ion in the solution?
The pickering series for the He+ ion corresponding to a series of transitions, in which electrons fall into the level with n=4. Find The longest wavelength transition of the pickering series in Angstroms
How much heat is needed to vaporize 3.63 g of liquid oxygen if the molar heat of vaporization for oxygen is 1,629 cal/mole?
What would the product be if I react crotyl chloride with NaI in acetone?
A piece of silver with a mass 415 g has a heat capacity of 98.4 j/degrees celsius. what is the specific heat of silver
What mass of sucrose should be combined with 461g of water to make a solution with an osmotic pressure of 8.80 atm at 280 K
calculate the mass of sodium nitrate, NaNO3, required to produce 7.00g of oxygen according to the following reaction:
The enzyme triose phosphate isomerase catalyzes the isomerization of dihydroxyacetone phosphate. What is the product of this reaction
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