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A gas is confined to a cylinder with a moveable piston (to allow the gas to expand or contract) under a pressure of 1 atmosphere. When the temperature of the gas is increased, 850 J of heat is added, and the gas expands, doing 150 J of work on the surroundings. What are the values of ΔH and ΔE in this process?
Rare bacteria arriving on an asteroid from the invisible moon Teflonia eat C2F4 and use this raw material to make poly-TFE as their cell walls. (PTFE is teflon.) What happens to the equilibrium if the bacteria are added to the reaction mixture?
Use either of the temperature / rate constant pairs given in problem 21, along with the activation energy you found in that problem, to calculate the rate constant at 25 oC.
a polysaccharide of unknown structure was isolated subjected to exhaustive methylation and acid hydrolysed. analysis of
The temperature of the mixture is 0 \rm ^{\circ}C , and the total pressure is 1.00 \rm atm . How many grams of helium are present in the gas mixture?
What is the maximum number of sets that can be assembles from 33.871 kg of quarters,10.432 kg of nickels and 7.990kg of dimes. What is the total mass(in grams) of the assembled coin sets.
The volume of a sample of gas, initially at 25oC, increase from 158 ml to 450 ml. What is the final temperature (C) if the pressure in the container is kept constant.
Problem- Butane reacts with oxygen to produce carbon dioxide gas and water. What volume of CO2, measured at 25 C and .922 atm is produced from the reaction of 65.0g of oxygen with 14.0g C4H10
It was then eluted with 10.0mL of hexane. Gas Chromatography determined that there was 14.2 mg/L of analyte in the hexane. Explain what is the concentration of analyte in the water
A. what mass of solid FeCl3 is required to prepare 250.0 ml of 0.245 M FeCl3 solution. B. How would you prepare 500.0 mL of 0.0500 M FeCl3 solution starting from the above solution in part A
Add an equal number of moles of nitrogen as well as hydrogen gases in a balloon. The volume of the balloon is 1.00 L previous to any reaction occurs. Find out the volume of the balloon subsequent to the reaction is complete. Presume constant tempe..
What volume, in mL, of oxygen are required to react completely with 157 mL of C4H10 at the same pressure. Calculate your answer to the correct number of sig figs and enter 350 as 3.50E2.
If cyclohexane has the formulaC6H12, calculate the mole fraction of soluteand solvent present in the solution.
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