Within an atom, electrons A. are in motion inside the nucleus. B. are in motion outside the nucleus. C. are inside the nucleus and are motionless. D. are outside the nucleus and are motionless

Consider the hydrate FeSO4 • 7H2O. What is the percent by mass of water in the hydrate? % What is the percent by mass of the anhydrous salt in the hydrate? %

What is state symbols

Suppose a reaction was run that produces hydrogen gas and a sample of H2 (g) collected. As a result of the collection 145 ml of water is displaced.

Explain why atoms are neutral.

What happens when air is heated in a ball

Can somebody explain step by step how to solve decomposition reactions?

Which of the following statements are correct about the chemical reaction? H2 + O2 - > H2O2 versus 2 H2 + O2 - > 2 H2O? They are both balanced chemical equations. The two reactions are equivalent. The laws of thermodynamics apply to both.

What do chemists use to describe a chemical reaction

When you drop a sugar cube in a glass of water, at first the water doesn't taste sweet. Later, it tastes very sweet. Eventually, the water will taste equally sweet throughout. What term explains molecule movement to maintain a balance?

Using density what is the mass in grams of 150mL of a liquid with a density of 1.4 g/mL