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which is the lowest at 25 C a) deltaG f for H2O(s) b) deltaG f for H2O(l) c) deltaG f for H2O(g) d) 1/2 deltaG f for O2(g) plus deltaG f for H2O(g)
If 5.00 grams of dry nitrogen dioxide gas (made wet because it was collected over water) were placed in a 5.00-L container, what will be the final pressure (in torr) in the container when the reaction is complete. Given: P of water = 23.76 torr at ..
What is the molarity of a solution which contains 58.5g of sodium chloride dissolved in 0.500 L of solution?
the reaction between calcium metal and chlorine gas is described by the following thermochemical equation cas cl2g
The amount of carbon dioxide in a gaseous mixture of CO2 and CO can be determined by passing the gas into an aqueous solution that contains an excess of Ba(OH)2
Which of the following chemical equations corresponds to the standard molar enthalpy of formation of N2O
Draw the conj acid of this base and use its structure to explain why it is so basic (resonance forms may help). The pKa of the conj acid is about 26. What is the pKb of the free base?
How many kilojoules are required to heat the nugget from 500 C to 1064 C and convert all the gold to liquid?
What is the cell potential for the following standard cell? Cr(s) / Cr(NO3)3 // SnCl2, SnCl4 / Pt(s) b) Do you expect this cell to have a - or + Go
Structure of a compound that, in the presence of a strong base, can readily undergo an intramolecular reaction forming a ring in the product.
a voltaic cell consists of mnmn2 and cdcd2 half-cells containing equal volumes of solutions with the following initial
350.0 mL of 2.50 M HCL are added to 400.0mL of 5.00 M HCL. Assuming that the volumes are additive, what is the final concentration
An ice cube of mass 10.0g. Is at -20oC. How much energy is needed to make the ice into steam at 172oC?
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