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A transformer has 300 turns on its secondary and 100 turns on its primary. The primary is connected to a 12-V source.
(a) What is the voltage output of the secondary?
(b) If 2.0 A flows in the primary coil, how much current is there in the secondary coil?
Calculate the pH when 6.00 mL of 0.100 M HCl(aq) is added to 100.0 mL of a buffer solution that is 0.100 M in dimethylamine (aq) and 0.100 M in dimethylamine hydrochloride (aq). Use the pKa given in your textbook (Harris, appendix G).
Question- Define "states of complete equilibrium" from points of view of classical thermodynamics and molecular thermodynamics
Discribe in DETAIL, the envrionmental hazards that come from poultry farms?
A container holds 355mL of a mixture of nitrogen as well as carbon dioxide gases. Compute the partial pressures of each gas if the container is at 27.3 degrees C
Question- The mass spectrum of an organic compound shows the relative abundances of M to be 68.32% and M 1 to be 11.08%. Assuming the peaks are caused by 12C and 13C isotopes, determine the number of carbon atoms in the compound. Natural abundance..
the enthalpy of combustion of c12h22o11is -5652 a 2.5 g sample of lactose was burned in a calorimeter that contained
Calculate the number of photons required to raise 160.0 g H2O from 38 C to 100 C, its boiling point. Assume the heat capacity of water is constant over this temperature range and is equal to 4.2 J/g-K
Balance the following redox reaction if it occurs in acidic solution. What are the coefficients in front of H2C2O4 and H2O in the balanced reaction
A .8046 gram sample of impure BaCl2 * 2H2O weighed .7082 grams after it was dried at 200 degrees C for two hours to drive off H2O. Calculate the % water in the sample.
Gaseous hydrogen iodide is placed in a closed container at 425 degree celcius, where it partially decomposes to hydrogen and idine: 2HI(g)--->--->H2(g)+I2(g). At equilibrium it is found that (HI)=3.53*10^-3 M,(H2)=4.79*10^-4M, and (I2)=4.79*10^-4M..
What transitional metal might be suitable to manufacture indestructible spectacle frames: Explain your choice.
Question- A physician has ordered 1.9g of tetracycline to be given every 6h to a patient. If your stock on hand is 500- mg tablets, how many will you need for 1 day's treatment
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