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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. 1,027 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. 1,674 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. 918 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. 831 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. 712 views
What is the oxidation state assigned to Cr in zinc dichromate, ZnCr2O7?
1. 1 answer
2. 1,820 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. 741 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. 1,208 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. 1,181 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. 460 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. 499 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. 670 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. 951 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. 543 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. 506 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. 563 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. 1,122 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. 556 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. 526 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. 1,028 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. 1,401 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. 728 views
Calculate the hydrogen ion concentration, [H+], in 0.00988 M Ba(OH)2. Careful!
1. 1 answer
2. 648 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. 1,458 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. 2,044 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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