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Classify the following elements as main group elements, transition metals, or inner transition metals: Fe, Ba, U, Pb, Pd, S
carbon monoxide will burn in air to produce co2 according to the following equation 2 co g o2 g yields 2 co2 what
Fill in the lines for the orbital/arrow diagram for the valence electrons of the Dyprosium atom, including labeling the n, l and ml values and the individual orbitals that are known
In an electrolysis cell similar to the one employed in this experiment, a student observed the unknown metal anode lost .206g while a total volume of 84.90mL of H2 was being produced. The temperature in the lab was 230C and the barometric pressure..
A certain anesthetic contains 64.9 percent C, 13.5 percent H, and 21.6 percent O by mass. At 120°C and 750 mmHg, 1.00 L of the gaseous compound weighs 2.30 g. What is the molecular formula of the compound
A copper refinery produces a copper ingot weighing 150lb. If the copper is drawn into wire whose diameter is 7.50mm, how many feet of copper can be obtained from the ingot
The text states that the odor of ozone can be detected in concentrations as low as 10 ppb. In which one of the following samples/situations would you not be able to smell ozone.
explain a resting nerve cell membrane sodium-potassium pump action potential and what wil happen if sodium channels
Ammonia is used for refrigeration. the heat of vaporization of ammonia is 23.35kJ/,mol. How many grams of ammonia would have tovaporize toofreeze one tray of ice cubes
During the coupling reaction with 2-napthol, why does the coupling (electrophilic substitution) occur only in the 1-position? Write resonance structures for 2-napthol in basic solution to justify elecrophilic attack at the 1-position
Given that 318 kJ of heat are released for each mole of Fe3O4 formed, what is the enthalpy change of the balanced reaction of formation of Fe3O4 from iron(ii) oxide and oxygen
A compressed gas cylinder contains 1.00 x 103 g of argon gas. The pressure inside the cylinder is 2050 psi at a temperature of 18oC. How much gas remains in the cylinder if the pressure is decreased to 650psi at a temperature of 26oC
50.50 mL of 0.116 M HF is titrated with 0.1200 M NaOH. How many mL of the base are required to reach the equivalence point? (Ka for HF is 6.8 x 10-4)
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