What is the function of a salt bridge in a voltaic cell?

A. It provides salt for the reaction

B. It prevents the reaction from proceeding to quickly

C. It allows for the solutions to mix

D. It completes the circuit

I think D or B?

What is the electron configuration of an isolated s atom?

In order to study hydrogen halide decomposition, a researcher fills an evacuated 1.11 L flask with 0.822 mol of HI gas and allows the reaction to proceed at 428°C: 2HI (g) ⇋ H2 (g) + I2 (g) At equilibrium, the concentration of HI = 0.055 M.

The safe dosage of the IV antibiotic ceftriaxone for children weighing more than 2.0 kg is 60. mg per kilogram of body weight. Suppose a pediatric nurse has available 1.5 L of a ceftriaxone solution with a concentration of 0.030 g/mL.

What is the equilibrium constant for the reaction of AgCl (s) with concentrated HCN? The Ksp of AgCl is 1.8 * 10-10 and the Kf of Ag (CN) 2 - is 1.0 * 1021.

What is the molar mass of K2SO3

2. You have 2 m3 of a mineral ore sample. It has a mass of 1 * 104 kg. Calculate the density of the ore sample and express your results in g/cm3 with appropriate scientific notation.

A sample of hydrogen was collected by water displacement at 23.0°C and an atmospheric pressure of 735 mmHg. Its volume is 568 mL.

What is loamy soil?

What is the lowest possible value of n for a d atomic orbital?

List the following bonds in order of increasing ionic character: CsF, ClCl, BrCl, SiC