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Question- At what temperature will the chemical reaction be in equilibrium with the following values. DH = +62.9 kJ and DS = +132.9 J/K. At what temperature will DG = 0.00 kJ?
It is not a question in the book, so I just need the full solution of deriving!
Calculate Qsp for calcium fluoride (Ksp=3.9x10^-11) when 195.0 mL of a 0.00780 M solution of Ca(NO3)2 is added to 175.0 mL of a 0.00740 M solution of KF
How many magnesiun atoms are in 3 moles of Mg3(PO4)2? 2) A substance, NxOy has the composition by mass 69.57% O. Calculate the molecular formula of this substance if its molecular mass is 92 grams.
Use standard reduction potentials (shown below) to calculate the potential of a nickel-cadmium cell that uses a basic electrolyte that has a 0.6 M hydroxide concentration.
A 3.140 molal solution of NaCl is prepared. How many grams of NaCl are present in a sample containing 2.678 kg of water?
How many grams of sucrose must be added to 552g of water to give a solution with a vapor pressure 2.o mmHg less than that of pure water at 20 celsius?
To prepare 5.0 L of a 3.50 M solution of Potassium Hydroxide (KOH), how many grams of Potassium Hydroxide must be used?
an air-standard brayton cycle has a compressor pressure ratio of 10. air enters the compressor at p4 14.7 psia t4
Question- Acetylene, C2H2, can be converted to ethane, C2H6, by a process known as hydrogenation. The reaction is:
A 1.73 g sample is dissolved in 100.0 mL water is titrated with 0.500 M NaOH; it takes 39.4 mL to reach the equivalence point. What is the molecular mass (g/mol) of pyruvic acid?
Problem- If you take a 10.0-mL portion of the stock solution and dilute it to a total volume of 0.300L, what will be the concentration of the final solution
What is the bond angle and molecular geometry around the 2 middle carbon atoms?
Did the. Temperature oof the water rise or fall when the nh4no3 was added? Explain this in terms of heat ttransfer.
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