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chamy

Questions (12)

Cadmium and a solution of cadmium(II) nitrate are used with tin and a solution of tin(II) nitrate to construct a galvanic cell.1
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2. 818 views
how to explain that HCL is a stronger acid than HOCL?
1. 1 answer
2. 460 views
N2(g) + 3 F2(g) → 2 NF3(g) ΔH° = –264 kJ/mol ΔS° = –278 J/(mol∙K)a. calculate the maximum amount of non-PΔV work
1. 1 answer
2. 873 views
N2(g) + 3 F2(g) → 2 NF3(g) ΔH° = –264 kJ/mol ΔS° = –278 J/(mol∙K)a. Using the information provided above (only),
1. 0 answers
2. 1,286 views
For the titration of 50.00 mL of 0.1000 M ammoniawith 0.1000 M HCl, calculate the pH (a) before the addition of any HCl
1. 1 answer
2. 1,162 views
When 50.0 mL of 0.050 M formic acid, HCHO2, istitrated with 0.050 M sodium hydroxide, what is the pH at the equivalence point?
1. 1 answer
2. 1,471 views
An open hemispherical bowl of radius R is slowlydraining through a small hole of radius r in the bottom of the bowl. Let g be
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2. 669 views
What are the general equations for reaction of1. Strong acid and weak base 2. Strong base and weak acid?
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2. 816 views
The seesaw principle: As you probably know, any two persons can balance each otherwhen sitting on opposite sides of a seesaw,
1. 1 answer
2. 750 views
3. A chemistry student makes up a 0.10 M solution of NaF(aq) and finds the pH to be 8.09.a. Explain why the presence of F- in
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2. 586 views
Calculate the concentrations of H2SO3, H3O+, HSO3-, and SO32- in a 0.025 M H2SO3(aq) solution
1. 1 answer
2. 2,463 views
Write the equation for the equilibrium that exists when nitrous acid and sodium acetate are placed in solution together (do not
1. 1 answer
2. 1,037 views