Which of the following is a single replacement reaction?

2. Vanadium (V) Oxide

A semipermeable membrane separates two aqueous solutions at 20 °C. For each of the following cases, name the solution into which a net flow of water (if any) will occur. Assume 100% dissociation for electrolytes. Solution A: 0.

1. What is the difference between an open system, a closed system, and an isolated system? What can a chemist do to try to make a system as isolated as possible?

What happens to a substance when it becomes oxidized? reduced?

What are 2 examples and 2 non-examples of pure substances

Consider a triprotic acid like phosphoric acid or citric acid. which expression correctly describes the relative magnitudes of the three ka equilibrium constants?

If 14g of ethene reacts with excess amount of steam to give 17.25g of ethanol what is the percentage yield

The electrical conductivity of an aqueous solution depends on the concentration of which particle in the solution

What changes in physical properties can be used as evidence that a chemical reaction has occured?

What distance is travled by a police car that moves at a constant speed of 1.5 km/min for 5.0 min?