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Explain Formic acid (HCO2H, Ka = 1.8 × 10-4) is the principal component in the venom of stinging ants. Define what is the molarity of a formic acid solution if 25.00 mL of the formic acid solution needs 49.80 mL of 0.0567 M NaOH to reach the equivalence point?
Calculate the effective radiation dosage (in Sieverts) for a 85-kg person who is exposed to 7.3 × 109 particles of alpha radiation. Assume that 85% of the radiation is absorbed, each alpha particle has an energy of 6.0× 10-13 J, and that the RBE o..
A cell based on the reaction below has a standard potential of +0.42 V at 25°C. If all of the species are at standard conditions except [H+], at what pH will the cell have a potential of zero. H2O2(aq)+ 2 H+(aq) + 2 Cl-(aq)? Cl2(aq) + 2H2O(l)
the equation of line determined from a beer's law plot is y=0.195x+0.4. what is the resistance of an unknown water sample if the assumed concentration is 650ohms.
Determine the formation constant, Kf, of AC5. Kf=? The solubility of AB(s) in a 1.000-M solution of C(aq) is found to be 0.152 M. What is the Ksp of AB? Ksp=?
The concept of free energy allows prediction of spontaneity of a process by considering the changes in ________ and ________ during the process.
What volume of water should be added to 600 mL of ethanol in order to have a solution that boils at 95 degrees Celsius? (For ethanol, Tb=78.4 degrees Celsius, Kb=1.22 degrees Celsius and d= 0.789 g/ml. For water d= 1.00 g/m
If the reaction is first order in A and second order in B, what is the rate when the initial concentration of A = 2.30 mol/L and that of B = 2.03 mol/L
The element gallium has two naturally occurring isotopes with masses of 68.9300 amu and 70.9200 amu. What would be the fractional abundance of the first isotope, if the atomic weight was 69.6518 amu
If the density of ethyl alcohol is 0.789 g/ml, how many quarts can be produced by the fermentation of 100.0 lbof sugar?
terephthalic acid used in plastics manufacture contains only c h and o. combustion of 19.81 mg of terephthalic acid
This was allowed to react under reflux for an hour and then the products seperated. I wrote out a mechanism before lab and ended up predicting 4-chlorobenzoic acid and 4-chlorophenol as my final products.
Suppose someone leaves the tank open and all the CH4 is released into the laboratory. What volume would the methane occupy if the pressure in the lab is 1.00 atm
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