If a substance changes its shape and size, is it a physical or chemical change? - chemical - physical - both

Based on solubility rules what ions in water might interfere with the analysis of calcium ions by precipitation of calcium carbonate

Explain why atoms move at different speeds depending on whether they are in liquid or solid

When NH4NO3 spontaneously dissolves in water the temperature of the solution decreases. What factors make this a naturally occurring process?

Water freezes at 0 Celisus. If a temperature drop is causing a glass of water to freeze, how would a thermometer in the water most likely change as the water freezes? A. The temperature would keep rising steadily. B.

What is produced during the replacement reaction of Cu (NO3) 2 and Zn? 1. ZnNO3 + Cu 2. Zn + Cu (NO3) 2 3. ZnCu + 2NO3 4. Zn (NO3) 2 + Cu

How do you balance an equation?

What is the force caused by wind pushing on a building?

When you ground a mineral down to give it sides what are those called

How many atoms are in 766.3 grams of Li?

The process by which DNA makes a complete copy of itself is called? A) Duplication B) Development C) Transcription D) Replication