Hydrogen peroxide decomposes by the following reaction.  The reaction is rapid with the addition of a catalyst.   2 H2O2 (aq)  à  2 H2O (l)  +  O2 (g) So which choice below holds?       free energy is less than

For each of the following processes, indicate whether the signs of ∆S and ∆H are expected to be positive, negative, or about zero. A piece of charcoal is combusted to form CO21g2 and H2O1g2

Given the following reaction and its enthalpy change, and the sign of the entropy change that you get using what you know of trends in entropy, S, when is this reaction spontaneous?           2 ClO2 (g)   +  2 TiCl4 (l)    →     2 TiO2 (s)   +   5 Cl2 (g)         Delta H =  – 343.8 kJ  Select one: a. This reaction is spontaneous at lower temperatures, but not at higher temperatures. b. This reaction is spontaneous at higher temperatures, but not at lower temperatures. c. This reaction is never spontaneous. d. none of these e. This reaction is spontaneous at all temperatures.

Predict whether the entropy change is greater or less than zero for the following process: dry ice subliming O change in entropy 0 change in entropy 0

AGO SnO₂(s) + 2 CO(g) → Sn(s) + 2 CO₂(g) Use this information to complete the table below. Round each of your answers to the nearest kJ. The standard reaction free energy reaction 2Sn (s) + 4CO₂(g) == - 194. kJ for this reaction: 2SnO₂ (s) + 4CO(g) 3 SnO₂ (s) + 6CO(g) → 3Sn(s) + 6CO₂(g) Sn(s) + 2CO₂(g) SnO₂ (s) + 2CO (g) AGⓇ ☐ kJ kJ KJ x10 X Ś

A chemist fills a reaction vessel with 1.75 atm nitrogen monoxide (NO) gas, 1.94 atm chlorine (Cl₂) gas, and 4.19 atm nitrosyl chloride (NOCI) gas at a temperature of 25.0°C. Under these conditions, calculate the reaction free energy AG for the following chemical reaction: 2NO(g)+Cl₂(g) 2NOCI(g) Use the thermodynamic information in the ALEKS Data tab. Round your answer to the nearest kilojoule.

Gibbs Free E 3

Which is true for the following reaction: N₂(g) + 3H₂(g) 2NH3(g) + heat for the reverse reaction, AH is negative. For the reverse reaction, AS is negative. Enthalpy favors the reactants. Entropy favors the reactants. O