Scientific investigations most often start from observations of the natural world and which of the following? Models, computers, variables, questions

What is the difference between mass and volume? [Explaine before I give Brainliest]

Which of the following choices will an atom of sulfur (S) be most likely to bond with? A. 1 oxygen (O) atom B. 1 helium (He) atom C. 2 hydrogen (H) atoms D. 3 nitrogen (N) atoms

Is 3Fe + 4H20 → Fe3O4 + 4H2 a balanced chemical reaction?

What's the ratio of 80% hydrogen

What does multivalent mean?

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.