Which equation represents a chemical equilibrium?

1) N2 (l) N2 (g)

2) 2NO2 (g) N2O4 (g)

3) CO2 (s) CO2 (g)

4) NH3 (l) <--NH3 (g)

How is electricity generated in a nuclear power plant?

6. What are the spiral arms of the Milky Way made of?

Two clear solutions are placed in separate beakers. The first solution has a pH of 4, and the pH of the second solution is unknown. If the two solutions are mixed and the resulting pH is 5, the second solution must have

How many grams of carbon dioxide are in 88.5 L at STP?

What is atomic mass?

Write the net ionic equation for the chemical reaction shown. Include physical states. HClO2 (aq) + NaOH (aq) ⟶H2O (l) + NaClO2 (aq)

Which if the following is an example of a stratovolcano?

There are five elements named for famous scientists on the periodic table

What character acids is that they react with metals to

The energy of a particular color of green light is 3.81*10-22 kJ/photon. The wavelength of this light is nanometers