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Question- Explain why the solubility's of alcohols decreased as the number of carbon atoms in the molecule increased.
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A 13 mL sample of a solution of Pb(ClO3)2 was diluted with water to 19 mL. A 15 mL sample of the dilute solution was found to contain 0.025 moles of Pb2+. What was the concentration of Pb(ClO3)2 in the original undiluted solution
enough solid KHT be added to the kcl-nacl solution to ensure that some solid remain undissolved after 20 minutes stirring?
Given the equation HCl + NaOH--> H2O + Na+ Cl-, how many moles of water are produced in this reaction. Additional info: .500M HCl used, .500 M NaOH used, and delta H^0 is known to be -57.86 kJ/mol water formed
Consider the dissolution of magnesium (s) in an aqueous hydrochloric acid solution. What minimum amount of 1.85 M hydrochloric acid is nessecary to produce 28.5 L of hydrogen at STP
The reaction between nitrogen and oxygen gases requires the absorpotion of 43 kJ of energy per mole of nitrogen according to the following chemical equation,
When butane gas, C4H10, burns in oxygen gas, O2, to form carbon dioxide gas, CO2, and gaseous water, 2845 kJ of thermal energy is evolved per mole of butane burned.
What is the common ion effect. Select all that apply. The increase in solubility that occurs when a common ion is added to a saturated solution of a sparingly soluble ionic compound.
If 2.44 moles of Helium gas has a pressure of 2.4 atm at 343 K, what volume must the gas occupy.
Calculate the maximum number of grams of H2S that can form when 158g of aluminum sulfide reacts with 131g of water.The *unbalanced* reaction is given below.
what are the industrial uses of iodine
Assume a specific heat of 4.18 J/(g·°C) for the solution, an initial temperature of 25.0°C, and no heat transfer between the cold pack and the environment
The densities of methanol and water at this temperature are 0.782 and 1.00 , respectively. For this solution, calculate each of the following. a. what is the molarity b. what is the molality c. what is the percent by mass d. what is the mole fract..
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