A mixture is made of 100.0 mL of water and 1.0 g of silver chloride, AgCl.  What does this solution look like and what mass of silver chloride is in the solution? The molar solubility of AgCl is 1.3×10–5 and the molar mass is 143.32 g/mol.

The formation of hydrazine, N2H4, is: N2(g) + 2H2(g) ⇌ N2H4(l) This reaction has the energy diagram shown. Which change will increase the value of K?

What is the equilibrium expression for the reaction below? 2Fe(s) + 3CO2(g)  ⇌ Fe2O3(s) + 3CO(g)

Which condition(s) will increase the concentration of dissolved oxygen (O2) in water? decrease the temperature of the solution. increase the total external pressure on the solution by adding more N2 gas

Which atom is the largest?

A first-order decay process for a radioactive isotope is shown below. Which figure shows the composition at 12 years?     

Which balanced thermochemical equation corresponds to the enthalpy of formation (ΔHfo) of carbon monoxide, CO(g)? The enthalpy of formation (ΔHfo) of CO(g) is –110.53 kJ/mol 

What mass of sodium hydroxide (NaOH, molar mass = 40.0 g/mol) is needed to make 100.0 mL of a 0.125 M NaOH solution?

A 1.0 L flask is filled with NO and O2 initially, and after the reaction establishes equilibrium, the flask is found to contain 0.0018 mol NO, 0.0012 mol O2 and 0.78 mol NO2. What is the value of the equilibrium constant, Kc, at this temperature? 2NO(g) + O2(g) ⇌ 2NO2(g)

What happens when the two solutions shown are combined? The Ksp of strontium sulfate, SrSO4, is 3.8×10–7.