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Problem- How much energy must be supplied to break a single aluminum-27 nucleus into separated protons and neutrons if an aluminum-27 atom has a mass of 26.9815386 amu? (The mass of an electron is given on the inside back cover in the textbook.)
How much energy is required for 106.5g of aluminum-27?
Explicate the each step. Explicate the process and each step.
A solution may contain any of the three Group III cations. Treatment of the solution with OCl- in alkaline medium yields a yellow solution and a colored precipitate. The acidified solution is unaffected by treatment with NH3
many proteins contain metal porphyrin molecules that can be modeledas a planar square with an edge length of 10a. the
Presume a student started with 2.15 g of isopentyl alcohol and 3.67 g of glacial acetic acid, also after the reaction and workup, ended up with 1.86 g of isopentyl acetate. Compute his theoretical and percent yields.
Using standard reduction potentials from your textbook, calculate the delta G for the oxidation of ethanol using NAD+ as the oxidizing agent. It would even be helpful if someone could just give me the reduction potential
The mixed solution requires 28.55 ml of the EDTA solution to reach the end point. A similar amount of MgCl2 solution requires 2.60 ml to reach the endpoint.
At the endpoint of a titration of a weak acid HA (nicotinic acid) with NaOH (100 mL each, 0.100 M), the pH is 8.78. What is the apparent Ka of the acid
What is the pH of a buffer solution that is 0.255 M in lactic acid and 0.333 M in sodium lactate? The Ka of lactic acid is 1.4 × 10-4.
if a piece of aluminum with mass 3.90 g and a temperature of 99.3 degrees celcius is dropped into 10.0 cm cubed of
What is the mass of a square piece of aluminum foil 100 micrometers thick and 10 cm wide? (Aluminum=2.7 g/cm^3)
The wavelength of a color of yellow light is 599nm. What is the energy of this wavelength of light in kJ
what is the minimum amount of KCN (in g) needed to react with 15.6 g of gold?
creatinine c4h7n3o is a by-product of muscle metabolism and creatinine levels in the body are known to be a fairly
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