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Consider the following reaction: 2NO +02 YIELDS 2 NO 2 Estimate change in free energy for this reaction at each of the following temperatures and predict whether or not the reaction will be spontaneous. (Assume change in enthalpy and change inentropy do not change too much within the give temperature range.)
Anfinsen studied the folding properties of the enzyme ribonuclease using the denaturants 2-mercaptoethanol and urea. How does each of these materials contribute to the unfolding of the protein,
Why the temperature of the DSC experiment settings need to be determined via TGA
A mixture of 4.0 mol of H2 and 2.0 mol of O2 is placed in a sealed evacuated container made of a perfect insulating material at 27C. The mixture is ignited with a spark and it reacts to form liquid water. Find the temperature of the water.
When 20 mL of a 120 mL stock solution containing 2 M BaF2 is diluted to 80 mL, what is the concentration of F- in the new solution.
As space exploration increases, means of communication between humans and other planets are being developed
An infant ibuprofen suspension contains 100 mg/5.0 mL suspension. The recommended dose is 10mg/kg of body weight.
Consider the reaction: C2H5OH (l) + 3O2 (g) --> 2 CO2 (g) + 3 H2O (l) , ?H= -1.37 x 103 kJ When a 24.8-g sample of ethyl alcohol (molar mass = 46.07 g/mol) is burned, how much energy is released as heat?
After heating, the remaining solid weighed 0.427 g. Assuming all the CaCO3 broke down to CaO and CO2, calculate the mass percent of CaCO3 in the original mixture.
Are interested in isolatin menthol from a min leaf. You have pureed 12g of mint leaf and completed steam distillation using 35 mL of water.
We did a lab in Chem where we put a liquid into a flask, secured foil on the top and poked a hole in the foil so the vapor could push out the air
The compound MgSO4 is called Epsom salts. How many grams will you need to prepare a bath containing 5.80 moles of Epsom salts? Express your answer using three significant figures.
The first-order rate constant for the decomposition of a certain hormone in water at 25 degrees C is 3.42*10^-4 day^-1. If a 0.0200 M solution of the hormone is stored at 25 degrees C for 10 months
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