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Problem- In alcohol fermentation, yeast converts glucose to ethanol and carbon dioxide: C4H12O4(s) rightarrow 2C2H5OH(l) + 2CO2(g) If 8.16g of glucose are reacted and 1.04 L of CO2 gas are collected at 28.1 Celcius and 0.998 atm, what is the percent yield of the reaction?
Here is the problem which I am struggling on, please help me
if .750l of ar at 1.50 atm and 177c and .235l of so2 at 95kpa and 63c are added to a 1.00l flask and the flasks temp is
A foundry worker throws a hot, freshly cast piece of iron into 10 liters (10 kg) of water to cool off. The initial temperature of the water is 25 degree celcius and the initial temperature of the iron is 100 degree celsius.
a 25 ml sample containing cu2 gave an instrumentsignal of 23.6 units corrected for a blank. when exactly 0.5 mlof
A H atom emitts a photon with a wavelength of 4.34 × 102 nm. If the energy of the initial state of the H atom was -8.72 × 10(-20) J, calculate the energy of the final state. Express answer in scientific notation.
a 10.0 ml sample of liquid bleach is diluted to 100. ml in a volumetric flask. a 25.0 ml aliquot of this solution is
If the sample reacted completely and produced 1931 mL of H2S hydrogen sulfide at 29.82 °C and 759.7 mm Hg, determine the mass percentage of Cadmium sulfide in the mixture?
the complex ion cocn6-3 absorbs a photon of wavelength 2.90times102 nm. what is the splitting energy of this
Draw the hydrogen on the chiral center. Make sure you indicate the chiral center through stereo wedges , and that there are no other bonds between the two bonds drawn with the stereo wedges.
A gas mixture composed of helium and argon has a density of 0.605g/L at a 741mmHg and 298K .What is the composition of the mixture by volume?
Problem- Compute change in H (delta H) and change in S for ice betweeen -10 degrees Celsius and +10 degrees Celsius knowing that
A sealed balloon is filled with 2.20 L of helium at 23°C and 1.00 atm. The balloon rises to a point in the atmosphere where the pressure is 210. torr and the temperature is -32°C. What is the change in volume of the balloon as it ascends from 1.00..
Calculate the concentrations of all species in a 1.73 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1 = 1.4× 10-2 and Ka2 = 6.3× 10-8.
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