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Determine the final state and its temperature when 150.0 kJ of heat are added to 50.0 g of water at 20 ºC. (Specific heat of water = 4.184 J/g ºC; Specific heat of steam = 1.99 J/g • ºC; ?Hfus (H2O) = 6.01 kJ/mol; ?Hvap (H2O) = 40.79 kJ/mol).
A balloon filled with H2(g) at STP has a volume of 2.24 .What is the final gas volume if 0.10 mol He(g) is added to the balloon and the temperature is then raised to 92.0 celsius while the pressure and amount of gas are held constant?
A key step in the metabolism of glucose for energy is the isomerization of glucose-6-phosphate (G6P) to fructose-6-phosphate (F6P) as shown below.
Calculate Ecell for the following electrochemical cell at 25 °C Pt(s) | H2(g, 1.00 atm) | H+(aq, 1.00 M) || Pb2+(aq, 0.150 M) | Pb(s) given the following standard reduction potentials.
What is the change in internal energy (in J) of a system that absorbs 0.241 kJ of heat from its surroundings
if a temperature increase from 20.0deg.c to 36.0deg.ctriples the rate constant for a reaction what is the value of the
decomposes according to the above equation, calculate the concentration of O2 at equilbrium.
Compute the pH at the temperature of 25 0C of a solution prepared by mixing 50 mL of 1.60 M sodium hydroxide solution to 0.5 of .0850 M Furoic acid HC 5 H 3 O 3 .
Write out the balanced overall equation for the redox reaction that could occur between these species. An electric current would have to have what minimum potential to force the reaction forward?
Using standard reduction potentials, calculate the standard E0 cell, (emf), for each of the following reactions. 1. Show half reactions 2. Balance and gain electrons 3. Write overall reaction of each
question a buffer solution contains 0.12 mol of propionic acid and 0.10 mol of sodium propionate in 1.50 lwhat is the
Question- In the Synthesis of Benzocaine Lab, why is it important to use absolute (100%) ethanol instead of the commonly used 95% ethanol
For the same atoms at the lattice points, which lattice exhibits the lowest density? (please explain your reasoning) (A) body-centered cubic (B) face-centered cubic
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