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The following is a first order reaction with a rate constant of 2.98*10>-3s-1: SO2CL2>>>>SO2+CL2. What is the half life for the reaction?
What is the PH of a 0.085M solution of ammoniun chloride. Kb for ammonia is 1.8 times, Calculate the pH fo a solution made by mixing 125ml of .200M HCl and 500 ml fo 0.0500M KOH
the Ideal Gas Law to calculate the pressure of the vapor at 88 °C; at 66 °C. b) Will condensation occur at 88 °C; 66 °C? Explain. c) On the basis of your answers in a) and b), predict the pressure exerted by the water vapor in the flask at 88 °C; ..
Alkenes can be hydrated to form alcohols by: (1) hydroboration followed by oxidation with alkaline hydrogen peroxide; (2) acid-catalyzed hydration
solution of water (K_f}=1.86 C/m) and glucose freezes at - 2.35 C. What is the molal concentration of glucose in this solution? Assume that the freezing point of pure water is 0.00 C.
What mass of carbon reacts completely with 17.8 grams of SiO2 according to the following equation? SiO2 (s) + 2C (s) → SiC (s) + 2CO (g)
What is the mass of a glucose solution that fills a 0.500 intravenous bottle if the density of the glucose solution is 1.15 ?
How much heat (in ) is required to warm 10.0g of ice, initially at -11.0(degrees C), to steam at 113.0(degrees C)? The heat capacity of ice is 2.09(J/g* degrees C) and that of steam is 2.01(J/g*degrees C) .
The atomic weight of a newly discovered element is 98.225 amu. It has two naturally occuring isotopes. One isotope has a mass of 96.780 amu.
a solution made from 6.50g of an unknown compound in 27.8g of diphenyl has a molality of .195m. Calculate the molar mass of the unknown.
A bicycle tire is filled with air to a pressure of 100. psi at a temperature of 19 degrees celcius. Riding the bike on asphalt on a hot day increases the temperature of the tire to 58 degrees celcius.
what is the maximum kinetic energy of a photo electron ejected from cesium by 555nm light? note that if the wavelength of the light used to irradiate the cesium surface become longer than 600 nm, no photoelectrons are emitted.
Carbon dioxide is a green house gas that is linked to global warming. It is released into the atmosphere through the combustion of octane (C8H18) in gasoline.
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