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Utilize the chemical equation for the reduction of oxygen to define why corrosion occurs more slowly in dry climates.
Example: Determine the solubility of calcium fluoride at 25C. And Be sure to note the difference between Solubility and Solubility Product Constant ! What could we do to change the system and produce a precipitate?
how many mL of chlorine gas are required to produce 0.50L of hydrogen chloride gas(HCl) at constant temperature and pressure?
What is the final temperature of a mixture of that 5.00 x 102 mL of hot water at 95.0°C and 475 g of -12.0°C ice cubes? (NOTE that in this process, the ice heats up to its melting point, melts, and then heats to the final temperature of the mixtur..
When 25.0ml of 0.500M H2SO4 is added to 25.0mL of 1.00M KOH in a coffee-cup calorimeter at 23.50 celcius, the temperature rises to 30.17 celsius. Calculate delta H of this reaction
How many kilograms of sodium fluoride would be needed to treat a 8.00 x 10^7 gal reservoir
Derive the activation energy for the reaction that has a rate constant of 3.5 x 10^-5 s-1 at 25C and the rate constant of 4.8 x 10^-4 s-1 at 45C.
what mass of aluminum chloride will be produced if 22.6 grams of zinc chloride are used up in the
A voltaic cell is constructed that uses the following reaction and operates at 298 K. (Ered Ni+2 is -0.277) Zn(s) + Ni2+(aq) Zn2+(aq) + Ni(s) (a) What is the emf of this cell under standard conditions?
Write the name of the enzyme used in PCR and discuss its origin and properties that make it a suitable enzymes for the amplification reaction
when performing a friedel-crafts alkylation reaction not only does one have the problems of multiple alkylation and
Use heat of formation data to determine H for the combustion of hydrogen sulfide according to the following reaction: 2 H2S(g) + 3 O2(g) ? 2 SO2(g) + 2 H2O(?) ?H = ? ?Hfo for compounds:
Assuming that the reaction occurs at constant pressure, how much heat is released. substance - heat of formation kJ/mol C(s)- 718.4 CF4 (g)- (-679.9) CH4 (g)- (-74.8) H (g)- 217.94 HF (g)- (-268.61)
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