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The standard free energy change for a chemical reaction is +21.9kJ/mole. what is the equilibrium constant for the reaction at 87 degrees?(R=8.314J/K mole.
The bond energy of hydrogen is 51 kJ/mol (0.52 eV/molecule). Based on this information, how much energy should be required to break all of the hydrogen bonds in one gram of ice, thus separating the H2O molecules into independent units. Give answer..
Dry ice (solid ) has occasionally been used as an "explosive" in mining. A hole is drilled, dry ice and a small amount of gunpowder are placed in the hole, a fuse is added, and the hole is plugged.
If a pure R isomer has a specific rotation of -133.0°, and a sample contains 64.0% of the R isomer and 36.0% of its enantiomer, what is the observed specific rotation of the mixture
Concrete used in road construction is reinforced using steel bars in a grid, known collectively as After many years, rebar will begin to corrode, and the concrete will weaken. Studies are ongoing regarding the best metal to be a sacrificial anode ..
Mg + 2HCl --> MgCl2 + H2 For a mass of 0.013 g Mg and 5.0 mL of 1.00 M HCl, in a flask with V = 140.612 mL at 23.5?C. Calculate the initial and final pressure (atm).
A 68-kg person exposed to thorium-234 receives 5.0x10^4 B particles, each with an energy of 3.0x10^-14 J. How many rads does the person receive?
A galvanic cell is constructed with a silver-silver chloride electrode, and a nickel strip immersed in a beaker containing 1.56 x 10-2 M solution of NiCl2. Determine the balanced cell reaction and calculate the potential of the cell. Enter in Volt..
Show step-by-step mechanisms to produce the indicated polymeric substrate products. include an appropriate termination step where needed.
E1 mechanisms a little clearer? maybe make a chart with simmilarities and differences and how to know which one is which?
3 Suppose you added an additional 50 ml of water to a separatory funnel containing a compound distributed between 50 ml of ether and 50 ml of water.
Aluminum has chemical propertied that are similar to magnesium. What observation might you expect with the addition of 6M HCl to an aluminum strip
the following statements is incorrect for the reaction between nitrogen (II) oxide and oxygen below
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