CH4 can behave as a Lewis acid

Consider the following reaction: AB(s) + C2(g) ⇌ AC(g)  +  BC(g)  +  heat Which of the following statements is false?

Consider the reaction: A(g) ⇌ B(g). The system is at equilibrium at 200°C when the pressure of A(g) is 0.30 atm and the pressure of B(g) is 0.60 atm. If an additional 0 atm of A(g) is added into the reaction vessel, what will be the pressure of B(g) when equilibrium is re-established? Enter your answer numerically to two significant figures.

The dissolution of PbN3(s) in water has the following reaction and equilibrium constant: PbS(s) ⇌ Pb2+(aq) + N3−(aq), K = 1×10−9 Given that HN3 has Ka = 1×10−5, what is the equilibrium constant for the dissolution in PbN3(s) in an acidic solution: PbS(s) + 2 H3O+(aq) ⇌  Pb2+(aq) + 2 HN3(aq) + 2 H2O(l)

The Ka for a weak acid is greater than 1

The pH of a 0.120 M solution of a weak base is 12.30. What is the base-ionization constant for this weak base?

A 1.0 L sealed container contains 1.00 M B. Upon heating the following reaction takes place: 2 B(aq) ⇌ 3 C(aq) + D(l).   After the reaction comes to equilibrium, the concentration of B is 00 M. What is the equilibrium constant, Kc, for this reaction? Enter your answer numerically to three significant figures.

Consider the following mechanism for the oxidation of bromide ions by hydrogen peroxide in aqueous acid solution. H+     +     H2O2        ⇌   H2O+−OH (rapid equilibrium) H2O+−OH   +   Br–    → HOBr   +   H2O (slow)                    HOBr   +   H+   +   Br–  → Br2   +   H2O (fast) Which of the following rate laws is consistent with the mechanism?

An important product is cost sampled for significant components and over the years a product index is faithfully calculated.  The following is the table of indexes. Year Product Index 0 95.1 1 97.7 2 98.4 3 100 4 101.1 5 102.2 Fit a linear regression model using the least squares method.  What are the values for the slope and intercept of your fitted equation? Determine the coefficient of determination and standard error. What can you say about the strength of the prediction of the cost range? What is the predicted value for year 6.

List, in the correct order, the stages of the generic life cycle used in class.