Which statement is true of metals? Select one: a. They have characteristics of both metals and nonmetals. b. Many are gases at room temperature. c. They have low conductivity. d. There are more metals than nonmetals.

What are the sign and magnitude of the charge of atom containing 14 protons, 15 neutrons, and 12 electrons?

At 15°C, the value of Kw is 4.5 * 10⁻¹⁵. What is the equilibrium concentration of OH⁻ at this temperature?

What is the amount of energy needed to heat 2.3 g of aluminum from 6.2oC to 46.9oC in Joules?

What biome has an extremely warm, dry climate and supports plants that are adapted to living without a lot of water?

Can Magnesium hydroxide be used as the base for this titration? Why or why not? 5. Describe the procedure that you will follow to prepare 250 ml of a. 100 M soliution of KHP. 6. 25.0 ml of. 100M KHP is required to neutralize 10.

What are two types of local winds?

For a given reaction, adding a catalyst increases the rate of the reaction by (1) providing an alternate reaction pathway that has a higher activation energy (2) providing an alternate reaction pathway that has a lower activation energy (3) using

An element which forms an oxide that dissolves in water to form an acidic solution.

Milk of magnesia is a base. What happens when you drink milk of magnesia for an upset stomach? A) It raises the pH of your stomach. Eliminate B) It lowers the pH of your stomach. C) It cleanses the stomach of harmful, painful bacteria.

Which of the following can be classified as an empirical formula? Why? A. S2Cl2 B. C6H10O4 C. Na2SO3