(1.83 x 10^4) / (3.2 x 10^-3). Round to 2 digits, then answer in standard notation.

When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?

How does the electron-cloud model describe electrons?

What forces hold molecules solids together