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A saturated solution was formed when 5.51×10-2 of argon, at a pressure of 1.0 and temperature of 25 , was dissolved in 1.0 of water. Calculate Henerys law constant of Argon
using a beaker that contains 100 ml of h2o thermally insulated from its surroundings one mol of solid cacl2 is mixed
find the percent composition of a compound that contains 1.94g of C, 0.48-g of H and 2.58-g of S in a 5.00-g S sample of the compound
What is the theoretical yield of ammonia in grams that can be prepared from 41.0 g of nitrogen and excess hydrogen
sulfur dioxide is an unwelcome result of burning soft coal in power plants. Some of the sulfur dioxide ends up as sulfuric acid ( H2SO4) in acid rain.
Why is it important to clean the surface of the zinc and copper electrodes with 1 M HNO3 immeadiately before using them in this experiment.
The reaction the question refers to is the reaction between salicylic acid and acetic anhydride, which is catalyzed by sulfuric acid and produces aspirin and acetic acid.
The value of deltaH for the reaction below is -72kj .how much of heat is released when 3.0 mol of HBr is formed in this reaction . is the reaction exothermic or endothermic
The concentration of a commercially available concentrated nitric acid is 70.0 percent by mass, or 15.9 M. In 100 grams of solution there are 1.11 mol of HNO3. Calculate the VOLUME of 100 grams of the solution
how many grams of oxygen are collected in a reaction where 222 ml of oxygen gas is collected over water at a
Organic compounds solubility, The question is: Assuming that sugar is soluble in water and not most organic solvents, LIST the steps in ORDER that you would take for separating a 1:1 mixture of solid sugar and solid sodium benzoate
Urea ((NH2)2CO) can be formed from ammonia and carbon dioxide as shown in the following reaction. ?H° value for this synthesis is -134.0 kJ, and ?S° is -424.0 J/K. Calculate the ?G°f for urea. 2NH3(g) + CO2(g) ? (NH2)2CO(s) + H2O(l)
when electrons move from the fourth energy level to the second energy level, they emit visible light. explain why the light emitted when an electron makes this move in a sodium atom is a different color than the light emitted
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