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0.22 g sample of volatile compound , containing C,H and Cl only on combustion in O2 gave 0.195 g CO2 , and 0.0804 g H2O . If 0 .12 g of the compound occupied a volume of 37.24 ml at 105 oc and 768 mm Hg pressure , calculate molecular formula of compound.
A 100-watt lightbulb radiates energy at a rate of 100 J/s.(The watt, a unit of power, or energy over time, is defined as 1 J/s.) If all of the light emitted has a wavelength of 525 nm, how many photons are emitted per second
What is the half life of the decomposition of A at 60C? e)If the concentration of a is found to be 2.78 x 10^-3 mole/L at t= 1.80 s and 60C, what is the initial concentration of a at 60C?
Using Acid Chlorides to Prepare Aromatic Ketones, Acid chlorides are used as electrophiles in the Friedel-Crafts reaction to prepare aromatic ketones. The reaction involves the transfer of an aromatic hydrocarbon with an acyl chloride in the prese..
A container holds 355 mL of a mixture of nitrogen and carbon dioxide gases. Calculate the partial pressures of each gas if the container is at 27.3oC.
Arrange the items on the food chain according to increasing mercury levels: microorganisms, people, small fish, and sharks.
ammonium carbonate nh4co2nh2 decomposes as followsnh4co2nh2sltgt 2nh3g co2gstarting with only the solid it is found
A chemist wants to resolve a particular amine, but she has only meso-tartaric acid on hand.She scans the lab inventory and finds several acids, but they are listed only by their common names, which she does not know or remember.
Explain what is produced at each electrode in the electrolysis of an aqueous solution of both NaBr and AgF? categorize as Anode, Cathode or Not Produced
Calculate the work associated with the compression of a gas from 121.0 L to 80.0L at a constant pressure
Given the balanced equation: C2H4 + 3O2 → 2CO2 + 2H2O How many liters of CO2 are produced when 15 liters of O2 are consumed?
if you have 4 moles of hydrogen gas, how many moles of oxygen gas are needed for complete reaction?
What is the partial pressure of nitrogen in a container that contains 3.96 mol of oxygen, 7.49 mol of nitrogen, and 1.19 mol of carbon dioxide when the total pressure is 563 mmHg?
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