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1) From the perspective of a chemist, explain what a crystal is. Choose two examples of crystals, and explain how they are chemically similar to and different from one another.
2) Explain the relationship between "vapor pressure" and the common phases "solid," "liquid," and "gas."
On the previous problem set, you examined both radial wavefunctions and radial distribution functions. Do the two functions display radial nodes at the same places?
The standard cell potential (E°cell) for the reaction below is +1.10 V. The cell potential for this reaction is __________ V when the concentration of [Cu2+] = 1.0 × 10-5 M and [Zn2+] = 3.5 M. Zn (s) + Cu2+ (aq) ?? Cu (s) + Zn2+ (aq)
Problem- A 500 mg die A 500mg dietary supplement of L-lysine (an amino acid, 146.2 g/mol) required 68.4 mL of 0.100 M NaOH to reach the end point. How many protons were removed for each L-lysine molecule in this titration
Write an expression for d[A2]/dt. b) Apply the steady state approximation to A* and derive an expression for the steady state concentration of A
Explain A solution containing 27.55 mg of an unknown protein per 25.0 mL of solution was found to have an osmotic pressure of 3.22 torr at 25.0oC. Define what is the molar mass of the protein?
Compute the freezing point of a 1.9 molal aqueous glucose solution. The freezing point depression steady for water is 1.86 C / m.
Which one of the following aqueous solutions will have the lowest boiling point temperature. (Explain or show work) All numbers are subscripts - I didn't know how to type subscripts on here.
an unknown compound has the following chemical formula crohx where x stands for a whole number. measurements also show
Its thermal decomposition can be represented by: 2Al2O3 (s) = 4Al (s) + 3O2 (g) deltaHrxn = 1676 kJ. If aluminum is produced this way, how many grams of aluminum can be formed when 1.000 x 10^6 J of heat is transferred
Explain how much CO2 is dissolved in water at 500ppmv at 15 C. Explain what is the dissolved CO2 equivalent to in the dissolved phase
Draw the structures of the products of the neutralization reaction between methylamine and acetic acid. Include lone pairs on the appropriate atoms.
a current of 2.40 a is passed through a solution containing cu2aq for 30.0 minutes with copper metal being deposited at
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