At 25°C, Kp for CaSO4 is 2.5 x 10. Suppose 100.0 mL of 0.50 M Na,SO4 is mixed with 100.0 mL of 1.65 M Ca(NO3)2. a. Find the initial concentrations of Ca²* (aq) and SO,² (aq) assuming that 2+ the volumes are additive. Will a precipitate of CaSO4 form in this mixture? Justify your answer b. with calculations. c. Write the net ionic equation for the reaction that would form a precipitate from these reactants if the concentration is high enough.

Consider the hypothetical reaction A <=> 2B. A flask is charged with 0.75 atm of pure A, after which it is allowed to reach equilibrium at 0 °C. At equilibrium, the partial pressure of A is 0.36 atm. What is the value of Kp?

Express the equilibrium constant for the following reaction.

I2(g)+Br2(g) --> 2 IBr(g). Kc= 250. the system is charged with 0.0500 M of I2 and Br2. What value should the student obtain for the equilibrium concentration of IBr(g)?

A 25.0 g sample of ammonium carbamate, N2H6CO2, was placed in a 0.250 L flask and kept at 25°C. At equilibrium 0.0174 g of CO2 was present. Calculate K, for the reaction: N,H,CO, (s) 2 NH3(g) + Co,(g) Select one: O 7.71 × 10-7 YouTube O 2.47 x 10-7 O 1.58 x 10-8 O 1.23 x 10-7

At 25 °C, an aqueous solution has an equilibrium concentration of 0.00425 M for a generic cation, A*(aq), and 0.00213 M for a generic anion, B²-(aq). What is the equilibrium constant, Ksp, of the generic salt A, B(s)? sp» Ksp

Bromine monochloride is synthesized using the reaction Br₂ (g) + Cl₂(g) = 2 BrCl(g) Kp = 1.1 x 10-4 at 150 K A 208.0 L flask initially contains 0.953 kg of Br₂ and 1.184 kg of Cl₂. Calculate the mass of BrCl, in grams, that is present in the reaction mixture at equilibrium. Assume ideal gas behavior. mass of BrCl: What is the percent yield of BrCl? percent yield: 6.D g %

Consider the reversible dissolution of lead(II) chloride. PbCl2 (s) Pb²+ (аq) + 2 CI (аq) Suppose you add 0.2478 g of P6C12 (s) to 50.0 mL of water. When the solution reaches equilibrium, you find that the concentration of Pb²+ (aq) is 0.0159 M and the concentration of Cl (aq) is 0.0318 M. What is the value of the equilibrium constant, Kc, for the dissolution of PbCl2 ? Type answer:

6. Give the equilibrium constant for the following reaction. 2PB1, (g) + 3Cl,(s) 2PCI;(g) + 3Br,(g)

2 CO₂ (g) = 2 CO (g) + O₂ (g) 1. Write the K. expression for this balanced equation. 2. If, at equilibrium, the concentrations of the reactants and products are as follows: [CO] = 0.00025 M, [0₂] = 0.00050, [CO₂] = 0.25 M, calculate the value for Kc. 3. Where does the equilibrium lie, towards the products or reactants? How can you know?