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Use Coulomb's law to calculate the ionization energy in kJ/mol of an atom composed of a proton and an electron separated by 203.00 pm
A 0.2527-g sample of a mixture of Mg(OH)2 and Al(OH)3 was treated with 50.00 mL of 0.225 mol L?1 HCl(aq). The resulting solution required 13.73 mL of 0.176 mol L?1 NaOH(aq) to neutralize the excess, unreacted HCl. What was the percentage by mass o..
Find out the empirical formula also determine how many carbon,hydrogen, oxygen atoms are in there in this empirical formula?
If 6.15 mol of ethane (C2H6) undergo combustion according to the unbalanced equation C2H6 + O2 -! CO2 + H2O, how much oxygen is required
The laser in an audio cd player uses light with a wavelength of 7.80* 10^2nm. Calculate the frequency of the light.
what are the concentrations of [NAD+] and [NADH] in the cells? Under oxidative stress condition, the cellular redox potential is shifted to -290 mV. What will be the concentrations of [NAD+] and [NADH] in this cell under this oxidative stress cond..
Regarding the reaction of the products that correspond to syn addition of Br2 to trans cinnamic acid and those that correspond to anti addition, why would you isolate a pair of enantiomers rather than a single enantiomer from this reaction
The molar heat of vaporization of carbon disulfide, CS2, is 28.4 kJ mol-1 at its boiling point. How many kilojoules of heat would be liberated by the condensation of 9.75 g of carbon disulfide?
1.00 mole of pure Cl2 are placed in a 1.00-L container. If x moles of NOCl react, what is the equilibrium concentration of Cl2? Why is the answer C) 1 + x/2
For equal moles of CaCl2 and Fe(NO3)3 dissolved in the same volume of distilled water, how do you expect the conductivities of each solution to compare? Explain your reasoning.
THE RATE CONSTANT FOR A CERTAIN REACTION IS K=1.40 * 10^-3 s^-1. if the initial reactant concentration was o.250 M, what will the concentration be after 5.00 minutes
Magnesium can be obtained by precipitating Mg^2+ as Mg(OH)2(s). The Ksp of Mg(OH)2 is 6.0*10^-10. The magnesium ion concentration is 0.059M. If a sample of solution is treated so its [OH-] concentration is maintained at 2.0*10^-3M. What will be [M..
In the formation of diacetylferrocene, the product is always the one in which each ring is monoacetylated. Why is no diacetylferrocene produced in which both acetyl groups are on the same aromatic ring?
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