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Classify each of the following processes as spontaneous or nonspontaneous. I. H2O(l) --> H2O(g) T=25 deg C, vessel open to atmosphere with 50% relative humidity. II. H2O(s) --> H2O(l) T=25 deg C, P=1 atm A) I and II are both spontaneous. B) I is spontaneous and II is nonspontaneous. C) I is nonspontaneous and II is spontaneous. D) I and II are both nonspontaneous.
When the following equation is balanced using the smallest possible integers, what is the exponent of H2O in the reaction quotient expression
An evaluation of R was performed, following the procedure described in this module. The barometric pressure was 736 torr, the temperature was 295k and volume of hydrogen gas collected was 35.6 mL. The calculated value of R was 82.1 mL atm K^-1 mol..
Calculate the volume of 0.50M NaOH needed to exceed saturation by 10% the volume from question 4 of 0.50M Mn(NO3)2 with Mn(OH)2.
The transmittance of the mixture was read and compared to a calibration curve which indicated a concentration of I3^- as 5.52*10^-4 M. Calculate the following: c.) The concentration in moles/L of IO3^- in the original sample.
calculate the amount of cobalt(II) nitrate hexahydrate [Co(NO3)2 * 6H2O] needed to prepare 50 mL of a 0.15 M cobat(II) nitrate stock
Standard solution having the molar concentration 0.0130 M AgNO3. What mass of AgNO3 is required for this purpose?
consider the following reaction3caco3 2fepo4 ca3po42 fe2co33a which of the following reagents is the limiting
Sunlight causes the following reaction to take place in the atmosphere: NO2(g) NO(g) + O(g). Calculate the standard enthalpy of the reaction from the following information and from additional information in Appendix 2A
If you compare two acids of the same concentration with different Ka values. Which acid solution should have the lower pH value
A metal, M, can readily form the M+ cation. A nonmetal, X, is a gas at room temperature and can easily form the X- anion. Is the product of the reaction of M and X a molecule or an ionic compound?
concentrated sulfuric acid 18.4-molar h2so4 has a density of 1.84 grams per milliliter. after dilution with water to
Calculate the basic buffer capacity of a solution of 50.00 mL of 0.334 M HC2H3O2 to which is added 50.00 mL of 0.154
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