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Questions (25)

There are three isotopes of phosphorus. Only one of them is stable. Calculate the binding energy per nucleon (in MeV) for P-32
1. 1 answer
2. 1,057 views
A solid weak acid is weighed, dissolved in water and diluted to exactly 50.00 ml. 25.00 ml of the solution is taken out and is
1. 1 answer
2. 1,708 views
Calculate Keq for 2 moles of electron(s) in each half-reaction and a standard potential of 0.55 V.
1. 1 answer
2. 941 views
Calculate ΔGo (in J) for 2 moles of electron(s) in each half-reaction and a standard potential of 0.57 V.
1. 1 answer
2. 857 views
A half-cell that consists of a copper wire in 1.00 M CuNO3 solution is connected by a salt bridge to a half cell containing a
1. 1 answer
2. 751 views
What is the oxidation state assigned to Cr in zinc dichromate, ZnCr2O7?
1. 1 answer
2. 1,850 views
Calculate the vapor pressure of Hg at 14 oC (in atm).Hg(l) ↔ Hg(g) . . . ΔHo = 61.32 kJ and ΔSo = 98.83 J/K
1. 1 answer
2. 768 views
Calculate the average C—C bond strength in cyclopropane (in kJ/mol). Its combustion and the experimental enthalpy of reaction
1. 0 answers
2. 1,256 views
Calculate ΔG (in kJ) at 298 K for some solid ZnF2, 0.055 M Zn2+ and 0.063 M F-(aq).I found Q to be 2.18e-4, then i implemented
1. 1 answer
2. 1,218 views
A reaction at 3.24 atm consumes 5.10 L of a gas adiabatically (q = 0). Calculate the change in internal energy of the system (in
1. 1 answer
2. 486 views
A reaction at 3.24 atm consumes 5.10 L of a gas adiabatically (q = 0). Calculate the change in internal energy of the system (in
1. 1 answer
2. 530 views
1.578 g of an unknown hydrocarbon (110.7 g/mol) burns in bomb calorimeter in excess oxygen. The heat capacity of the
1. 1 answer
2. 694 views
A reaction at 3.24 atm consumes 5.10 L of a gas adiabatically (q = 0). Calculate the change in internal energy of the system (in
1. 3 answers
2. 984 views
A reaction at 2.43 atm produces 20.0 L of a gas and evolves 75.3 kJ of heat (exothermic). Calculate the change in internal
1. 2 answers
2. 568 views
Calculate the pH during the titration of 10.00 mL of 0.400 M hypochlorous acid with 0.500 M NaOH.The Ka for HOCl is 3.0 x 10-8
1. 1 answer
2. 530 views
Calculate the pH during the titration of 10.00 mL of 0.400 M hypochlorous acid with 0.500 M NaOH.The Ka for HOCl is 3.0 x 10-8
1. 5 answers
2. 585 views
Concentrated hydrochloric acid is 38% HCl by weight and has a density of 1.19 g/mL. A solution is prepared by measuring 70 mL of
1. 2 answers
2. 1,165 views
Calculate the pH during the titration of 10.00 mL of 0.400 M hypochlorous acid with 0.500 M NaOH.The Ka for HOCl is 3.0 x 10-8
1. 0 answers
2. 574 views
Calculate the pH during the titration of 10.00 mL of 0.400 M hypochlorous acid with 0.500 M NaOH.The Ka for HOCl is 3.0 x 10-8
1. 0 answers
2. 545 views
1)A buffer solution that is 0.10 M sodium acetate and 0.20 M acetic acid is prepared. Calculate the initial pH of this solution.
1. 1 answer
2. 1,064 views
1)A buffer solution that is 0.10 M sodium acetate and 0.20 M acetic acid is prepared. Calculate the initial pH of this solution.
1. 1 answer
2. 1,441 views
1)A buffer solution that is 0.10 M sodium acetate and 0.20 M acetic acid is prepared. Calculate the initial pH of this solution.
1. 1 answer
2. 760 views
Calculate the hydrogen ion concentration, [H+], in 0.00988 M Ba(OH)2. Careful!
1. 1 answer
2. 680 views
The autodissociation of water to H+ and OH- is endothermic. At a higher temperature more of the water molecules have sufficient
1. 1 answer
2. 1,484 views
A weighed amount of sodium chloride is completely dissolved in a measured volume of 4.00 M ammonia solution at ice temperature,
1. 1 answer
2. 2,067 views

Answers (12)

y=(3/2)^x
Yes, that's correct.
It's a limiting reagent problem. 8mol*(64.07 g/mol)=512.56 g 16mol*(34.07 g/mol)=545.12 g Therefore, SO2 is the limiting reagent. Figure out the rest
In an arithmetic series, every term is separated from its neighbours by the same difference. So given an arithmetic sequence that starts with the first value A and has a common difference of D, the first five terms are: 1st term: A 2nd term: A + D 3rd
Don't Include Oxygen in your equation and try it again.
M1V1 = M2V2 (.125L)(10.30M)=(x)(.500M)
a. 3/4 b. 4/8 c. 1/4 d. 2/7
Google it bro
Just multiply all three dimensions to get you volume.
Actually can you help me find the pH at the equilibrium point, my work: HOCl OH- I .004 .004 C -.004 -.004 E 0 0 .01*.400=.004 .008*.5=.004 I don't know what to do next...
Ill post my work
Find the moles of ethanol and the moles of the solution, and divide ethanol by the solution.

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