A compound has a gram formula mass of 78 g/mol and an empirical formula of CH. What is its molecular formula?

What factors cause changes between the liquid and gas state?

Which of the following is a fusion reaction? a.) uranium-235 absorbing a neutron and splitting into xenon-140, strontium-94, and two neutrons b.) hydrochloric acid combining with sodium hydroxide to form NaCl and water c.

You cut a piece of paper into small pieces is this a physical or chemical change? Explain

Energy from wind and water create dunes. However, what happens if that energy from the wind and water is too strong? What natural disaster is an example of this?

Bleach Detergent Ammonia What property do all three of these common household substances have in common? A) They are all acidic. B) They all taste sour. C) They all have a pH above 7. D) They all turn litmus paper red. Elim

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