If the diagram shown below is representative of the particles in a sample of ideal gases, which statement is true?   A. A has the lowest partial pressure B. B has the lowest partial pressure C. C has the lowest partial pressure  D. All partial pressures are equal

Which process has a

Consider the reaction: 2 NO2 (g)  +  Cl2 (g)  

Consider the following reaction at elevated temperature: K = 15.0 A reaction mixture initially contains all three gases in equal concentrations.  Which statement is true of this reaction mixture?   A. Q > K; the reaction will proceed toward the reactants. B. Q < K; the reaction will proceed toward the products C. Q = K; the reaction is in equilibrium D. Not enough information provided

What is the standard enthalpy change for the following reaction? 3 NO2 (g)  +  H2O (l)  

A reaction has a value for K that is significantly less than 1 (K

Which sample has the greatest volume at 1 atm and 25

Which is the most reasonable resonance structure for OCN-? A.    B.    C.    D. All of these structures are reasonable      

If this reaction is first-order with respect to each reactant, by what factor does the reaction rate increase if the concentrations of CH3Cl and H2O are both doubled? CH3Cl (g)  +  H2O (g)  

What is the standard cell potential for the reaction, 2 Cr (s)  +  3 Cu2+ (aq)