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How much energy, in joules, must be absorbed to convert to Na^+ all the atoms present in 1.00mg of gaseous Na? The first ionization energy of Na is 495.8kJ/mol.
A. 0.0464JB. 46.4JC. 0.0216JD. 1.14*10^4J21.6J
If 20 mL of 0.10 M NaOH are added to 30 mL of 0.20 M HOAc, what is the pH of the resulting solution? (Ka = 1.8 x 10-5 for HOAc)
Calculate the value of Delta G for the process- AgCl (s) Ag+(aq) + Cl-(aq) to yield a saturated solution at 298 K.
3.5 g of a hydrocarbon fuel is burned in a vessel that contains 250. grams of water initially at 25.00 C. After the combustion, the temperature of the water is 26.55 C. How much heat is evolved per gram of fuel burned?
What are the strategic importance of Neodymium uses such as magnets, coloring of glass, and infrared radiation filtering. What three reasons for the US being currently dependent upon foreign producers such as China
a 2.85 g sample containing only mgo and cuo is placed in a 3.00 l container. the container is filled with co2 to a
What mass of formaldehyde gas must be released from building materials to produce a concentration of 50 ppm of the gas in a room with dimensions of 4m*5m*2m?
The Greenhouse Effect - how the sun's visible light is converted into trapped infra red light and heat, causing the planet to warm up.
The third ionization energy of Ru is less than the third ionization energy of Fe. Explain.
You are on a backpacking trip and need to make a fire. You have some batteries and a piece of foil from some gum. These should be sufficient to get the fire going.
if the freezing point of a .106 m CH3COOH solution is -.348 degrees Celsius, calculate the percent of the acid that has undergone ionization?
Designing and preparing aqueous buffer solution with the pH indicated - Give complete details of the design and preparation of an aqueous buffer solution (volume 100ml) with the pH indicated.
Write a series of nuclear equations to represent the bombardment of -27 with a neutron to form a product that then undergoes an alpha decay followed by a beta decay.
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