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A solution of sodium hydroxide is prepared by mixing 2.00g of NaOH with 10.0 g of water. The percent, by mass of NaOH is what?
Calculate the pH of each of the following strong acid solutions. (a) 0.000625 M HIO4 pH = (b) 0.869 g of HBrO4 in 22.0 L of solution pH = (c) 50.0 mL of 8.10 M H2SO4 diluted to 3.50 L pH = (d) a mixture formed by adding 75.0 mL of 0.00187 M HIO4 t..
Determine the rate constant for the reaction at the temperature of 75 degree celsius?
During photosynthesis chlorophyll a absorbs light of 440 nm and emits light of 670 nm.
In the synthesis of Aspirin using salicylic acid and acetic anhydride, i need a side equation for a reaction that might form salicylic acid during the workup of the product instead of acetic acid.
An experiment shows that a 115 -,mL gas sample has a mass of 0.170 g at a pressure of 711 mm; Hg and a temperature of 33Celcius. What is the molar mass?
Calculate the steric strain for the most stable chair conformer and for a less stable conformer for the following
How would you calculate the pH of a mixture made from adding 20.0 g of NaCH3CH2COO and 20.0 g of CH3CH2COOH to 100.0 mL of 0.10 M HCl.
The memory metal, nitinol, is a alloy of nickel and titanium. It is called a memory metal because after being deformed, a piece of nitinol wire will return to its original shape
If it solidifies isothermally at 55 K below the equilibrium (normal) melting point of Cd, what is magnitude of the energy transferred to the plate
Using the van der Waals equation, calculate the pressure exerted by 15.0 mol of carbon dioxide confined to a 3.00-L vessel at 56.0 oC. Note: Values for a and b in the van der Waals equation: a = 3.59 L2.atm/mol2, and b = 0.0427 L/mol.
What is a good solvent substitute for ethyl acetate between diethyl ether, octane, octene, octyne, and acetone?
Which statement about the hybridized oxygen molecule in water(sp3 hybridized oxygen) is not correct. The electrons remain in their assigned orbitals. The overall energy of the sp3 orbitals is exactly the same as the energy for the original orbital..
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