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A reaction has been designed to be carried out in a 2 ml total volume. It requires a final NAD concentration of 3 mM. If the protocol allows 60 µl for the NAD addition, what concentration would you make up the stock solution?
16.57 The complex [Ni(NH3)6]2+ has a ligand field splitting of 209 kJ·mol-1 and forms a purple solution. What is the wavelength and color of the absorbed light.
A certain indicator, HA, has a Ka value of 0.000040. The protonated form of the indicator is red and the ionized form is blue. What is the pKa of the indicator
Copper (II) hydroxide from Copper (II) nitrate. Confirm that an acid base reaction occurred stoichiometrically identify the limiting the reactant and the excess reactant.
Hydrogen exhibits several series of line spectra in different spectral regions. For example the Lyman series (nf = 1 in Balmer-Rydberg equation) occurs in the ultraviolet region while the Balmer (nf = 2) series occurs in the visible range
A 4.20L sample of neon gas at 15 degrees C is at a pressure of 790mmHg. If the gas is compressed to 1.50L and the temperature of the gas is raised to 195 degrees C, what will the new pressure be
Will a precipitate form if 25.0 ml of a 0.0030 M solution of BaCl2 and and 50.0 ml of a 0.050 solution of NaF are mixed? Is the solution saturated
Predict qualitatively, which of the following aqueous solutions, (a), (b), (c) or (d), each containing 2.0 moles of the given substance dissolved in 0.5 kg of water, has the lowest and which has the highest boiling point: a) HNO3, b) sugar, c) ace..
How many days would be required for a dose of Cu-64 to decay to 1.0% of its original concentration?
three students chemist measured 50.0 ml of 1.00 m naoh in seperate styrofoam coffee cups calorimeters part b. brett
What is the quantity of Fe2O3 that will be produced if 5.00g of FeS2 is reacted with 11.0g of oxygen according to the following reaction
At 320 K and 16 atmospheres, the molar volume of ammonia (NH3) is about 10 % less than that of an ideal gas. Explain this observation.
How many grams of CaCl2 would be dissolved in 1.2 L of a 0.10 M solution of CaCl2?
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