Which is a compound?

Sodium

sea water

carbon dioxide

brass

What is the molecular formula for tribromine octachloride.?

Which type of clouds brings lighting, thunder, and tornadoes?

Which of the following is a way to practice safe science

Complete the equations showing how 2-phenylethanol (c6h5ch2ch2oh) could be prepared from 2-phenylethanoic acid (c6h5ch2co2h) as the starting material.

In a neutral atom- A protons equal electrons B protons equal neutrons C their is the same number of all particles

According to Table I, which equation represents a change resulting in the greatest quantity of energy released? 1. 2C (s) + 2H2 (g) - > C2H4 (g) 2. 2C (s) + 3H2 (g) - > C2H6 (g) 3. N2 (g) + 3H2 (g) - >2NH3 (g) 4. N2 (g) + O2 (g) - > 2NO (g)

Calculate the number of liters in 3.25 g of ammonia

Adding drops of food coloring to a beaker of water more organized system?

Some chemical hazards are physical and some are related to the potential health effects of exposure. Click only one box for each response Toxicity Carcinogenic Flames Inhalation hazard Flying objects

Which would be best categorized as heat transfer by convection? A) Wearing a white shirt to stay cool on a summer day.