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1. How many equivalent Lewis structures are necessary to describe the bonding in SO42- ?
2. How many equivalent Lewis structures are necessary to describe the bonding in NO2F ?
On the basis of your knowledge of bonding in liquids and solids, arrange the following substances in order of highest to lowest melting temperature: NaCl, Na, Cl2, SiO2.
Calculate the pH of the solution that results when 100.0 mL of 0.15 M NaOH is added to 50.0 mL of 0.25 M HNO3
Methane and hydrogen sulfide form when 36g H2 reacts wih carbon disulfide, calculate the percent yield if the actual yield of CH4 is 69.8g.
how many grams of sulfur dioxide are produced when 90.0 g of thionyl chloride reacts with excess water according to the following equation? SOCl2+H2O --> 2HCl+SO2
What is the osmotic pressure of a solution formed by dissolving 44.4mg of aspirin C9H8O4 in 0.355 L of water at 25 degress C.
Determine the mass of carbon dioxide produced when .85 grams of butane reacts with oxygen according to the following equation : 2C4 H10 + 13O2 ->8CO2 + 10H2O
Calculate the number of moles of H+ and OH- initially present the number of moles of h2O produced in the response regulation reaction.
What is the final temperature in a squeezed cold pack that contains 41.0 g of NH4NO3 dissolved in 125 mL of water? Assume a specific heat of 4.18J/g*C for the solution, an initial temperature of 26.5C.
If 15 g of KClO3 are added to 200 g of water at 25 degrees celsius with stirring, how much of the KClO3 will dissolve?
A 29.0-g sample of water at 260. K is mixed with 51.0 g water at 340. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
what is the final temperature of A metal sample weighing 34.526 g was heated to 98.0 degrees Celcius then quickly transferred into a styrofoam cup calorimeter containing 74.365 g of distilled water at a temperature of 27.0 degrees celcius.
A flask contains 0.430 of liquid bromine, . Determine the number of bromine molecules present in the flask
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