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An insecticide is known to contain C, H, and Cl. Reactions were carried out on a 1.000 gram sample of the compound that converted all of its chlorine to chloride ion dissolved in water. The aqueous solution was subsequently treated with an excess of AgNO3 solution and the AgCl precipitated was collected and weighed. its mass was 2.022 grams of AgCl.
calculate the heat in joules released by the dissolving salt. Assume that the specific heat of the solution is the same as thar of pure water(4.184J/g- celcius) and that the calorimeter is perfect.
Heating any of the three isomeric dimethylbenzenes with HF in the presence of BF3 to 80 C leads to the equilibrium mixture shown below: 1,2-Dimethylbenzene: 18% , 1,3-Dimethylbenzene: 58% , 1,4-Dimethylbenzene: 24%
A sample of nitrogen has a volume of 630 mL at a temperature of 49 degC. Assuming that the pressure is constant, what will be the volume when the temperature is 348.6 degC.
The rate of an enzyme-catalyzed reaction usually increases with temperature, but then decreases after reaching the "optimal temperature."
A laser pulse with wavelength 555nm contains 4.40mJ of energy. How many photons are in the laser pulse.
account for each of the following properties of solids: the definite volume, the relatively high density of solids, the extremely low rate of diffusion.
A 75 kg person drinks 550 g of milk, which has a "caloric" value of approximately 3.0 kJ/g. If only 20% of the energy in milk is converted to mechanical work, how high (in meters) can the person climb based on this energy intake?
When calcium carbonate is added to hydrochloric acid, calcium chloride, carbon dioxide, and water are produced. CaCO3 + 2HCl image from custom entry tool CaCl2 + H2O + CO2
A 41 kg person drinks 280. g of milk, which has a "caloric" value of approximately 3.0 kJ/g. If only 18% of the energy in milk is converted to mechanical work,
A local radio station can be tuned in by dialing your radio to a frequency of 101.5 MHz. Calculate the wavelength. (Hint: MHz means 1 x 106 Hz.)
At what temperature will 6.21 g of oxygen gas exert a pressure of 5.00 atm in a 10.0-L container
According to the given data propylamine (CH3CH2CH2NH2) boils at 49 degrees C, Trimethylamine [(CH3)3N] boils at 3 degrees C;trimethylamine has reasonably high solubility in water Propylamine is entirely miscible with water; considering that isobu..
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