Why does every plant cell have a nucleus

A 1.26-g sample of an alkaline earth metal chloride is treated with excess silver nitrate. All of the chloride is recovered as 3.26 g of silver chloride. Identify the metal.

How many liters of 0.85 M HCl solution would react completely with 3.5 moles Ca (OH) 2? A. 1.5 L hcI (aq) B. 8.2 L hcI (aq) C. 2.1 L hcI (aq) D. 6.0 L hcI (aq)

A sample of a hydrate has a mass of 5.026 g. After it is heated, it has a mass of 3.492 g. What is the percentage by mass of water in the hydrate? 1. 19.40% 2. 27.92% 3. 30.52% 4. 69.48%

Has The property of inertia

Define le chatelier's principle. define le chatelier's principle. when a chemical system at equilibrium is disturbed, the system shifts in a direction that minimizes the disturbance. a system will always change if the pressure changes.

A low pKa means the acid the strong. < - - - Is that right?

Does the buckminsterfullerene conduct electricity?

If an element has 2 valence electrons, how many dots will be in the elements dot diagram?

the state of water is determined solely by the conditions of: A) volume and mass B) temperature and volume C) pressure and mass D) pressure and temperature

When a chemical reaction and its reverse are occurring at the same time and at the same rate, the reaction has achieved a. displacement. c. imbalance. b. equilibrium. d. decomposition.