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If ammonia was added to a saturated solution of copper(II) iodate in a equilibrium with its precipitate, would the copper ion concentration increase, decrease, or stay the same?Why?
An organic compound containing lead was found to contain 21.70 C and 2.7% H. The lead content was found by dissolving 4.6201g of the compound in water and adding sodium sulfate. 3.100 g of lead precipitate was collected.
How many milliliters of 0.5 M NaOH are needed to exactly neutralize 100 milliliters of 1 M HCl?
A 343 mL container holds 0.146 g of Ne and an unknown amount of Ar at 35°C and a total pressure of 625 mmHg. Calculate the moles of Ar present.
Write a reaction mechanism for the reaction of (Z) 3-methyl-3-hexene with Cl2 and H2O. Use curved arrows to show electron movements and clearly show the structures of the reaction intermediates and the final product.
Write a reaction mechanism for the reaction between 2,3-dimethyl-3-hexanol with hydrochloric acid. (B) What is the reaction mechanism type for this reaction
Calculate the net charge of Aspartic Acid. Its given that Aspartic acid has a pK1 COOH at 1.99 and also a pK2 NH3 group at 9.90. PKr Side Chain is 3.90 (COOH) How do i find the net charge?
nitrogen reacts with hydrogen to form 1.058mg of the hydride. What is the empirical formula of the nitrogen hydride?
If a sample solution is 5.00% H2O2 by mass and has a density close to 1.0 g/mL, find the approximate molar concentration of the H2O2 in the solution
A hot air balloon is inflated to its full extent by heating the air inside it. In the final stages of this process the volume of the balloon changes from 4.00 x 10^6 L to 4.50 x 10^6 L by addition of 1.3 x 10^8 J of energy as heat.
Calculate the equilibrium constant for the reaction
A sample of nitrogen gas, N2 is collecyed in a 100 mL container at a pressure of 688 mm Hg and a temperature of 565 degress celsius. How many grams of nitrogen gas are present in this sample.
when it dissolves in water (3 moles of ions/mole of salt). Calculate the freezing point of a solution containing 18.8g of Na2SO4 in 465g of water. The Kf for water is 1.86C kg mol-1.
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