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A sealed chamber contains 5.80 g CH4 and 14.9 g O2 the mixture is ignited. Explain how many grams of Co2 are produced
At 50 degrees celsius a sample of ammonia gas exerts a pressure of 6.5 atm. What is the pressure when the volume of the gas is reduced to 20% of the original value at the same temperature
You have 100 mL of a .10 M Acetate buffer pH 4.75 composed of .050 M Acetic Acid and .050 M Na Acetate. 100 ml of pure water is added and the pH is still 4.75. Use the henderson hasselbalch equation to explain what happened.
The initial pressure in the piston is 101 kpa. Find out the heat that must be extracted to cool the gas from 375C to 275C A) At constant pressure B) at constant volume
A 643 mL gas sample at STP is compressed to a volume of 285 mL, and the temperature is increased to 26C. What is the new pressure of the gas in Pa? Answer in units of Pa.
what is the internal energy change of a gas gives off 312 of heat while being compress 862mL by a pressure of 1.64 bar. what are internal energy change in surrounding and universe for the process
Two spectral lines occur at 576.8217 nm and 577.1432 nm. If a grating monochromator has a reciprocal linear dispersion, D^-1, of 2.4 nm/mm, what is the maximum slit width, in mm, needed to achieve baseline seperation.
Raw milk sours in 4.0 hours at 28 degrees celcius but takes 48 hours to sour in a refrigerator at 5 degrees celcius. Calculate the activation energy for the souring of milk?
calculate the total volume of gas at 128 and 745 produced by the complete decomposition of 1.67 of ammonium
the temperature of a metal bar rises by 15 C when it absorbs 4.26 kJ of heat. The mass of the bar is 472g. Determine the specific heat of the metal bar.
the 200mm test tube also contained some water which was subsequently added to the calorimeter. considering a higher
a boiler is used to heat steam at a brewery to be used in various applications such as heating water to brew the beer
If an average cup of coffee contains approximately 100 of caffeine, how many moles of caffeine are in one cup
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