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A compund contains carbon hydrogen and chlorine. combustion of 15.800 grams of this compound produces 30.063 grams of co2 and 13.836 grams of water. determine both the empirical and molecular formula of the compound.
how do you find the specific heat of platinum if 23.6 grams is heated from 10.0c to 20.0c using 30.68 J of heat.
if 18ml of oxygen are collected over water at 27 degrees celcius and 740 mm hg of pressure what volume will the dry gas
Calculate the number of moles of solute present in each of the following solutions.
Calculate the volume of a pre-made solution of 1-decene (120 ?L) in absolute ethanol (250 ?L) that will afford 0.76 mmol of 1-decene
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.
A fuel gas containing 75% methane, 15% ethane and 10% propane by volume flows to a furnace at a rate of 1200m^3/hr at 15'C and 200kPa, where it is burned with 12% excess air. Calculate the required flow rate of air in SCMH(standard cubic meters pe..
Then the gas is cooled at a constant volume of 22.3L back to its original temperature. Then it contracts back at a constant tempurature to its original volume. What is the total heat flow for the process
Element phosphorus occurs as tetratomic molcules P4. what mass of chlorine gas needed to react completely 963 gm of phospheras to form phospheras pentachloride
The bright-red color of highway safety flares comes from strontium ions in salts such as Sr(NO3)2 and SrCO3. Burning a flare produces strontium ions in excited states,
Calculate the difference in pressure between methane and an ideal gas under these conditions. The van der Waals constants for methane
compute the change in temperature when 1.8 g of sodium chloride is dissolved in 300.0 ml of water initially at 20c. the
Calculate the changes in the CO and Cl2 concentrations that occur if the concentration of COCl2 decreases by 0.103 mol/L as the following reaction comes to equilibrium.
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