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A gallon of gasoline can provide about 1.30×?10?^5 kJ of chemical energy. If all this energy could be converted into Kinetic Energy (E_k) of an auto, how many gallons of gasoline would be equivalent to the E_k if the car has mass of 1.00 X 103 kg and was traveling at 65 mph (29 m/s)?
P4(s) + 6F2(g) --> 4PF3(g) How many grams of fluorine are needed to react with 6.20g of phosphorus?
The rate constant for the reaction at 45oC is 0.130L*mol-1*s-1. Explain how long does it take an initial concentration of 0.060 mol/L to reduce to one-quarter the initial concentration
the elements of which groups in the periodic table release the most energy by gaining an electron. the elements of which group in the periodic table absorb energy when gaining an electron.
Write the following molecular equation, complete ionic equation, and net ionic equation for the following reactions: a) Potassium iodide and silver nitrate solutions are mixed, forming a precipitate of silver iodide. b) Solutions of potassium carbona..
how much dry solute would you take to prepare each of the following soluions from the dry solute and the solvent? Part A. 124ml of 0.555M KCl. Part B 10g of .530m KCl. Part C 107g of 5.4% KCl solution by mass.
The solubility of an ionic compound M2X3 (molar mass = 320. g) is 2.1 multiplied by 10-17 g/L. What is Ksp for the compound?
A 25.95 -g sample of methanol at 35.6°C is added to a 38.65-g sample of ethanol at 24.7°C in a constant pressure calorimeter. If the final temperature of the combined liquids is 28.5°C and the heat capacity of the calorimeter is 19.3 J/°C, determi..
difference between seawater and pure water
Hydrogen is collected over water at .975 atm and 28 degrees Celsius. What is the partial pressure of H2?
Show the terminal alkyne and alkyl halide from which the following products can be obtained. If two routes look freasible, list both
(a) What is the value of the reaction quotient (Qc ) for the reaction below if a 6.00-L flask contains 0.0274 mol NO2(g) and 0.230 mol N2O4(g) at 25°C?
a sample is a mixture of agno3 cucl2 and fecl3. when a 1.0000-g sample of the mixture is dissolved in water and reacted
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