How are Ground state, Excited state, Photon, Energy, and Spectrum relate to fireworks?

What does squeezing do to the particles of snow or ice?

Is hydrogen and sulfur ionic or covalent

The rate constant of a reaction is 1.1 * 10-4 s-1 at 470 °c, and the activation energy is 264 kj/mol. what is the temperature of the reaction when the rate constant is equal to 4.36 * 10-3?

Ammonia gas is dissolved in a 1.00 * 10-4M solution of CuSO4to give an equilibrium concentration of [NH3] = 1.60 * 10-3M. Calculate the equilibrium concentration of Cu2 + (aq) ions in the solution

If you burn 22.6 g of hydrogen and produce 202 g of water, how much oxygen reacted

Is material that has a density of 0.2g/ml good for building a bridge or for making couch cushions

A solution of potassium cyanide, KCN, is made by dissolving 3.2 g of KCN in water. When this solution reacts with excess hydrochloric acid, HCl, it produces 0.30 g of poisonous hydrogen cyanide gas, HCN.

When carbon undergoes sp2 hybridization it forms

Give the formula for molarity

A 54-gram sample of an unknown material has a volume equal to 20 cm3. Based on its density, could the sample be aluminum? Explain