what was the initial pressure of 14.8 mL of gas at 75.5 C, when it occupied a volume of 16.5 mL at 70.2 C and 101.3 kPa?

A student analyzed an unknown sample that contained a single anion. The sample gave a yellow precipitated upon addition of a solution of AgNo3 which did not dissolve in ammonia.

Hydrochloric acid (HCl) and potassium hydroxide (KOH) react together in an aqueous solution. Along with water, what is a product of the reaction?

A certain compound has an empirical

Compared to the nucleus 5626Fe, what is the radius of the nucleus 112 48Cd?

If 0.500 mol of NaN3 react what mass I'm grams of nitrogen would result

Silicon is lustrous and is a conductor of heat and electricity. Which class of elements could this element belong to? A. Metal B. Non-metal C. Metalliod D. All of the above

What type of mixture is 100 ml of water with a little bit of salt?

In the process of covalent bonding, atoms share electrons. This means that * a) Electrons from each atom are attracted to the nucleus of both atoms b) Protons and neutrons attract c) Atoms lose electrons and become ions d) Atoms gain electrons and

5. How are compounds different from mixtures?

Which statement about the density of warm water is most likely correct? Warm water is more dense than cold water. Warm water is less dense than cold water. The density is the same for warm and cold water.