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What is the ratio of the average kinetic energy of a SO2 molecule to that of an O2 molecule in a mixture of two gases? What is the ratio of the root mean square speeds, urms, of the two gases?
What is the ph of the solution resulting from the addition of 40ml of .200M hclo4 to 20ml of .15M naoh
Explain what are the organic and aqueous layers cyclohexene from cyclohexanol reactions utilizing sulfuric and phosphoric acids
this problem states when a 9.55 g sample of solid naohdissolves in 100.0 g of water in a coffeecup calorimeter the
Water (2290g ) is heated until it just begins to boil. If the water absorbs 4.99×10^5J of heat in the process, what was the initial temperature of the water.
It is important to know if a particular molecule is composed of elements with different electronegativities as well as the structure of the particular molecule to explain the physical properties of the molecule.
The empty bulb is filled with water and weighed. The water-filled bulb has a mass of 268.63 g at a temperature of 25.0 0C. The density of water at 25.0 0C is 0.9970 g/mL. Use the mass of the empty bulb and this data to show that the volume of the ..
The molality of sodium nitrate solution us 1.44m. What is mole fraction of NaNo3. The molar mass of NaNo3 is 85.06g/mol
A solution is 0.0100 M in Pb2+ ions. If 0.103 mol of solid NaI is added to 1.00L of this solution (with negligible volume change), what percent of the Pb2+ ions remain in solution?
A) What is the pH of the solution. B) To what volume must you dilute the solution to triple the percent dissociation
1) 20.0 mL of a 0.10M weak acid (Ka= 1.56X10^-6) is titrated with a 0.20M strong base. a. What is the pH initially, before any titrant is added
Consider the reaction, C2H4(G) + H2(G) > C2H6(G), WHERE ?H = -137 kJ. how many kilojoules are released when 55.3 g of C2H4 reacts
4 hno3aq cus gt cuno32aq 2 h2ol 2 no2gconsidering which elements are being oxidized and reduced determine how many
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