What are three observable changes that show a chemical reaction?

The valency of fluorine is 1, what is its valency electron?

In a reaction between calcium hydroxide, Ca (OH) 2, and lithium sulfide, Li2S, which of the following, if any, would be the solid products?

OH CH3-CH2-CH-CH; Spell out the full name of the compound. Submit Request Answer

Under certain conditions the rate of this reaction is zero order in dinitrogen monoxide with a rate constant of ·0.0047Ms-1: 2N2O (g) →2N2 (g) + O2 (g) Suppose a 2.0L ⁢ flask is charged under these conditions with 500. mmol of dinitrogen monoxide.

4-heptanone treated with peroxyacetic acid

Identify the Lewis acid in this balanced equation: Central N is bonded above, left, and below to C H 3 and has 2 electron dots to the right. Plus. B is bonded above, below left, and below right to H. right arrow.

Brainliest if answered in the next 5 minutes. Identify the balanced combination equation. Cl2O5 + H2O ⟶ 2HClO3 2Fe (OH) 3 ⟶ Fe2O3 + 3H2O Cl2O5 + 3H2O ⟶ HClO3 2Fe (OH) 3 ⟶ 2FeO3 + 3H2O

An unknown substance can be identified by its mass. a flame test its density B and C

If we have 22 molecules of sodium sulfate in water, how many sodium ions will be observed in solution?

Sodiun atom, potassium atom, and cesium atoms have the same?