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An ancient gold coin is 2.2 cm in diameter and 3.0 mm thick. It is a cylinder for which volume = (p)(radius)2(thickness). If the density of gold is 19.3 g/cm3, what is the mass of the coin in grams?
What is the pH at the equivalence point in the titration of a 25.2 mL sample of a 0.489 M aqueous hydrocyanic acid solution with a 0.345 M aqueous barium hydroxide solution
the titration ofnbspnbsp50.00 ml aqueous sample of fe2with 0.09533 m ce4gives the following cell potentials when using
When the electron cloud of a molecule is easily distorted, the molecule has a high ?
You mix 55 mL of 1.00M silver nitrate with 25 mL of 0.81 M sodium chloride. What mass of silver chloride should you form?
What mass of solution contains each of the following amounts of dissolved solute? 1.) 15.0g of sulfuric acid in a 25.0\% solution 2.)11.0g of acetic acid in a 5.00\% solution
Calculate the concentration of Al3+ in a saturated aqueous solution of Al(OH)3 (Ksp = 2.1 × 10-32).
a mixture of 0.140 moles of C is reacted with 0.117 moles O2 in a sealed, 10.0 L vessel at 500 K, producing a mixture of CO and CO2. the total pressure is 0.640 atm. What is the partial pressure of CO
Hydrazine, ammonia, and hydrogen azide all contain only nitrogen and hydrogen. The mass of hydrogen that combines with 1.00g of nitrogen for each compound is .144, .216, and .240, respectively.
what product would you expect to obtain from the mixed claisen condensation between ethyl acetate and diethyl oxalate?
Two iron bolts of equal mass----one at 100.C, the other at 55 C----are placed in an insulated container. Assuming the heat capacity of the container is negligible, Define the final temperature inside the container (c of iron= 0.450J/gK)
A 2.00 L glass soda bottle filled only with air is tightly capped at 24 C and 744.0mmHg. If the bottle is placed in water at 75C what is the pressure in the bottle?
Which of the following is a true statement regarding fatty acid synthesis?
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