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For the reaction A→ B + C while the natural log of [A] is plotted versus the time in seconds a straight line is obtained whose slope is -0.055s-1. Explain what is the concentration of A (in M) after 28.0 s if [A]o = 0.60 M?
A flask contains 10.0 mL of HCl and a few drops of phenolphthalein indicator. The buret contains 50.0 mL of 0.230 M NaOH. what volume of NaOH is needed to reach the end point of the titration
alpha-titanium alloy to process into a turbine blade. Based on the fact that the alloy has an HCP crystal structure, what general processing technique
The pressure inside a particular 5.00 L bottle of gas must be 1 atm or less in order to open the bottle cap. To what temperature, in C, must a bottle of gas be cooled so that the bottle cap can be removed if at 25.0C the pressure is 2070 mm Hg
Compute the density of both an ideal as well as a hard sphere gas with molar mass 30 grams/mole that has a b parameter of 0.037 L/mol. The pressure is 1000atm as well as the temperature is 50 K.
In a purity check for industrial diamonds, a 11.25 carat (1 carat = 0.2000 g) diamond is heated to 74.21°C and immersed in 27.30 g of water in a constant-pressure calorimeter
Calculate the molarity and the molality of an NH3 solution made up of 36.5 g of NH3 in 70.0 g of water. The density of the solution is 0.982 g/mL.
From the following list of aqueous solutions and water, select the one with the lowest melting point. A. 1.0 M KNO3 B. 0.75 M NaCl C. 0.75 M CuCl2 D. 2.0 M C12H22O11 (sucrose) E. pure water
A chemist burns 160g of aluminum oxygen to produce aluminum oxide. She produces 260g of aluminum oxide. Write a balanced equation and calculate the theoretical and percent yield
You need to make a diluted solution of HCl. Your concnetrated acid is 12M. How many L of the 12M HCL will you need to make 0.76 L of a 1 M HCL solution? Your answer must inlcude units
In which region of the carbon-13 NMR spectrum would you expect to find a resonance for the carbonyl group of an aliphatic ketone. The given chemical shift ranges are approximate. A. 50-80 ppm B. 180-210 ppm C. 100-150 ppm D. 65-85 ppm E. 9-10 ppm ..
Describe a simple and practical way to make 1.00L of this buffer solution, assuming 1.0 M solution of the molecular base is available and that the chloride salt of the conjugate acid is available as a SOLID.
The standard cell potential E cell of the reaction below is -0.34 V. The value of delta G for the reaction is __________ kJ/mol. Cu (s) + 2H+ (aq) ? Cu2+ (aq) + H2 (g) +66 -0.34 -130 +130 none of the above
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