What only sure evidence for a chemical reaction is?

How do you identify the cation and anion in an ionic compound?

How many times more acidic is a ph of 3 compared to a ph of 5?

Pre-Laboratory Question Balance each of the following equations, and classify each of the reactions by type. Reaction Equation Type of Reaction 1. KClO3 → KCl + O2 2. Na + O2 → Na2O2 3. KI + Pb (NO3) 2 → KNO3 + PbI2 4. Cu + AgNO3 → Cu (NO3) 2 + Ag 5.

A chemical reaction occurs when one or more change into one or more new substances called

What is the root mean square of carbon iv oxide at 27°C?

Which of the following is not a source of air pollution related to human activities

Objects and substances in motion is I

If you were to remove an electron from a sodium atom that has eleven protons, what would be the electrical charge of the ion?

The atomic mass of fluorine in 19.0 amu, so the molar mass is?

A rod shaped organism with no nucleus commonly found in Garbage will most likely belong to which kingdom