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If an artificial heart is capable of pumping at least 57,000,000 pints of blood before failure, how long, in years, will it probably last in a patient whose average heart rate is 72 beats per minute and an average stroke volume (the amount of blood pumped with each beat) is 70 mL?
Standard Electrode Potential (E), a) Write the equation for the cell reaction and indicate cathode and anode half-cells for the electrochemical cell formed from Mg/Mg2+ half-cell and In/In3+ half-cell.
How many kilograms of methane (CH4) are in perfectly insulated piston with the following properties: Volume = 2 cubic meters.
Compare lattice energies of LiI and PbI2 and calculate the formation enthalpy in each case by constructing a Born-Haber cycle. Which one is more ionic? Comment.
If the volume of the gas sample is decreased to 15.3 L holding the temp constant, the average molecular speed will increase, decrease or remain the same?
Why does the 13C NMR show five different types of carbon atoms when the molecular formula indicates the compound contains seven carbon atoms
Calculate the concentrations of each ion present in a solution that results from mixing 49.6 mL of a 0.20M NaClO3(aq) solution with 25.3 mL of a .20 M Na2SO4(aq). Assume that the volumes are additive.
Calculate the wavelength of the photon emitted when an electron makes a transition
When acetic anhydride is dessolved in water it forms acetic acid according to the balanced chemical reaction. Calculate the theoretical yield (in grams of acetic acid, FW 60.05 g/mol) if 8.79mL of acetic anhydride
What are the effects of temperature, molarity, surface area, nature of the reactants, and the presence of a catalyst on the reaction rate of Zn(s)+2HCl(aq)-> ZnCl2(aq)+ H2(g)
concerning the applicability of the titration method, comment on if and how you could use it to determine ksp for each of the following: a. barium hydroxide c. copper(ii) iodate
Consider the reaction, 4 NH3 + 5 O2 => 4 NO + 6 H2O, How many molecules of NO will be made with 89.5 moles of H2O
Protons can be accelerated to speeds near that of light in particle accelerators. Estimate the wavelength (in nm) of such a proton moving at 2.90 X 108 m/s. (Mass of a proton=1.673 X 10-27 kg)
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