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What volume (L) of 0.378 M potassium hydroxide solution would just neutralize 80.3 ml of 0.165 M H2SO4 solution?
Calculate ΔH and ΔStotal when two iron blocks each with mass of 1.00kg, one at 25'C and one at 250'C are placed in contact with each other in an isolated container.
What is the atomic mass of an atom if its mass is approximately equal to the following?
The first-order decomposition of S2O6(g) to form SO3(g), has a half-life of 1.262 x 10-3 s at 45oC. How long will it take for 40% of a 0.34 M sample to decompose at 45oC
Explain how the acid hydrolysis of starch differs from the enzyme catalyzed hydfolysis. Compare products as well as conditions of time and temperature
If you didn't have a computer or data system available, how would you measure the area of the peak. After all, someone's DUI may hinge on this measurement, and you may have to defend your calculation in court
An equilibrium mixture at 225 degrees C contains 0.10 M NH3 and 0.20 M H2 for the reaction 3H2 (g) + N2 (g) --- 2NH3(g) If the Kc at this temperature is 1.7 X 10 2.
To resolve an object in an electron microscope, the wavelength of the electrons must be close to the diameter of the object. What kinetic energy must the electrons have in order to resolve a protein molecule that is 7.00 nm in diameter? Take the m..
Electromagnetic radiation with a wavelength of 725 nm appears as red light to the human eye. The frequency of this light is
What is the molar mass of this substance, express your answer in g/mol and determine the moloar concentraitions Cr 2 O 7 ^2 and of K + ?
Molecular iodine, I2(g), dissociates into iodine atoms at 625 K with a first-order rate constant of 0.271 s-1. What is the half-life for this reaction
A 4.5 g nugget of gold absorbed 276 j of heat. What was the final temperature of the gold if the initial temperature was 25 OC ? The specific heat of gold is 0.129 j/g OC.
Would Br2 react faster with a tropylium cation or cyclooctatetrene? Not sure if the aromaticity of the cation comes into play here. Please justify your reasoning
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