Is the following chemical equation balanced? 2Na + 2H2O 2NaOH + H2 yes or no

Which best describes what happens when a neutral atom becomes a positive ion? O A. The remaining electrons spread farther out. O B. The excess protons pull harder on the fewer electrons O C. The remaining electrons are more easily lost. O D.

Give a example of a dominat allele.

400 ml of a gas (@stp) has a mass of 0.792 g. what is the molecular mass of this gas

What is a physical change? A change in matter from one form to another without becoming a new substance. A change in matter that results in a chemical reaction. A change in matter that results in the smallest unit of a compound.

Where do most of the world's earthquakes occur? Explain

What is the correct term for water Atom element product reactant

Do carbon atoms gain, lose, or share electrons?

In aqueous solution the ag ion forms a complex with two ammonia molecules. Write the formation constant expression for the equilibrium between the hydrated metal ion and the aqueous complex.

Which samples are substance? (A) HCI (aq) (B) NaCI (aq) (C) HCI (g) (D) NaCI (s)

2. If you add water to dilute a solution, what happens to the molarity of the compound in the solution? Explain