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Organic hydrogenation reactions, in which H2 and an "unsaturated" organic compound combine, are used in the food, fuel, and polymer industries. In the simplest case, ethene (C2H4) and H2 form ethane (C2H6). If 116 kJ is given off per mole of C2H4 reacting, how much heat is released when 14.2 kg of C2H6 forms?
Chlorine Dioxide has been used as a disinfectant in AC systems. It reacts with water according to the equation: 6ClO2+3H2O à 5HClO3+HCl
Chemists know that by adding a very slight excess of silver nitrate to a solution containing chloride ion, it is possible to effectively remove all the chloride ion from the sample as silver chloride.
what is the pressure in atmospheres of the gas inside the container connected to an open-end mercury-filled manometer
Given the following data H Cl bond enthalpy = +431 kJ/mol, ?Hf HCl(g) = -92.31 kJ/mol
In an experiment, 0.30 mol H2 and 0.30 mol I2 are mixed into a 1.00-l container, and the reaction forms HI. If Kc =49 . for this reaction, what is the equalibrium concentration of HI. I2(g) + H2(g) 2HI(g)
What is the enthalpy of this reaction? Assume that no heat is lost to the surroundings or to the coffee cup itself.
if a raindrop weighs 65 mg on average and 5.1x10^5 raindrops fall on a lawn every minute what mass in kg of rain falls in 1.5 hours
what is the reduced mass of benzene. THe atomic masses of C and H are 12.00 and 1, respectively.
The distance between layers in a crystal is 323 pm. X rays are diffracted from these layers at an angle of 13.1°. Assuming that n = 3, calculate the wavelength of the X rays in nm.
If the initial pressure of iodoethane is 894 torr at 245°C, what is the pressure of iodoethane after three half-lives?
Which elements can take part in hydrogen bonding. why is hydrogen unique in this kind of interaction.
at 1000 k a sample of pure no2 gas decomposes.2 no2g -gt 2 nog o2gthe equilibrium constant kp is 158. analysis shows
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